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Some Microsoft 365 users may receive the error code 0x8007007A when you try to download an Offline Address Book (OAB) for a profile in Outlook on Windows 11 or Windows 10 computer. If you’re affected by this issue, this post is intended to help you with the most suitable solutions you can apply to quickly fix this error.

You will encounter this error when the .prf (profile) or .msp (customization) file that you used to configure an Outlook profile was created using the Office Customization Tool (OCT), and you select the Enable offline use option, but you did not specify the directory path to store the Offline Address Book files.

Error 0x8007007A when downloading Offline Address Book in Outlook

So, if you’re faced with this Outlook issue, you can try any of the recommended solutions below in no particular order to resolve the error 0x8007007A when downloading Offline Address Book in Outlook on your Windows 11/10 PC.

Check the directory path of the OAB file

Create new Outlook profile

Modify Registry

Let’s take a look at the description of the process involved concerning each of the listed solutions.

1] Check directory path of the OAB file

To fix error 0x8007007A when downloading Offline Address Book in Outlook on your Windows 11/10 PC, this solution requires you to check the directory path of the OAB file, depending on the version of Outlook you have installed on your computer.

To check the directory path of the OAB file for Outlook 2013, do the following:

On the Cached Mode tab, select the Configure Cached Exchange Mode option.

Select the Use Cached Exchange Mode option.

Select the Customize location for .ost and .oab files option.

Check the Directory path to store Offline Address Book files text box.

Enter a valid path in the Directory path to store Offline Address Book files text box.

Clear the Customize location for .ost and .oab files option.

To check the directory path of the OAB file for Outlook 2010, do the following:

On the Exchange tab, select the Enable offline use option.

Check the Directory path to store Offline Address Book files text box.

Clear the Enable offline use option.

Enter a valid path in the Directory path to store Offline Address Book files text box.

2] Create new Outlook profile

This solution requires you to create a new outlook profile. To do this, follow the instructions in the guide how to fix Error 0x8004010F, Outlook Data File Cannot Be Accessed.

3] Modify Registry

Since this is a registry operation, it is recommended that you back up the registry or create a system restore point as necessary precautionary measures. Once done, you can proceed as follows:

Press Windows key + R to invoke the Run dialog.

In the Run dialog box, type regedit and hit Enter to open Registry Editor.

For Outlook 2013:

For Outlook 2010:

Select Find.

Now, enter 001e660E into the search field to search for the registry key.

Select Find Next.

If you’re unable to delete the registry key, you can take ownership of the registry key and try the delete operation again.

Exit Registry Editor when done.

Reboot PC.

Related post: How to restore Contact information in Address Book in Outlook

How do I force Outlook to update offline address book? How do I troubleshoot the Outlook Offline Address Book in an Office 365 environment?

To troubleshoot the Outlook Offline Address Book in an Office 365 environment, try the following suggestions:

Make sure that the Global Address List (GAL) is up to date.

Manually download the Offline Address Book and then make sure that Cached Exchange Mode is enabled.

Make sure the Background Intelligence Transfer Service (BITS) service is running on your Windows 11/10 PC.

That’s all! Hope it helped.

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Fix 80090016 Microsoft Office Outlook Exchange Error

Something went wrong: Your computer’s Trusted Platform Module has malfunctioned. If this error persists contact your system administrator with the error code 80090016.

What causes Microsoft Office Outlook Exchange Error 80090016 in Windows 10/11?

There isn’t any specific reason why this error may occur. In many cases, users have reported this mainly occurs if the Trusted Platform Module (TPM) gets corrupted or outdated. All things considered, the primary reasons for this error can be:

System Motherboard Replacement

Misconfigured Outlook Settings

Hindrance due to an external application

Fix Microsoft Office Outlook Exchange Error 80090016

You can fix Microsoft Office Outlook Exchange Error 80090016 by following these suggestions:

Rename the BrokerPlugin File

Repair PIN and Picture Password Solution

Disable ADAL

Remove and re-add your account

Repair Outlook

Now let us see these in detail.

1] Rename the BrokerPlugin Folder

The AAD token broker plugin file is a classified Win64 EXE file. If this file is attempted to be loaded when Outlook is starting up, it may cause runtime errors. However, renaming the file can fix any errors caused by it. Make sure you do this with the affected user account logged off. Here’s how you can do it:

Open File Explorer and navigate to the following path. C:Windows.oldUsersasusAppDataLocalPackages (The path may differ)

Scroll down and search for Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy folder

Rename the folder as Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy.old.

Restart Outlook once done to check if the issue is fixed; it may ask you to re-enter your password.

Perform this step only if your device’s motherboard is replaced.

2] Repair PIN and Picture Password Solution

The Outlook Exchange Error 80090016 can appear when Windows cannot set a PIN for your device. This is usually due to the corruption of the Ngc folder located in the system volume. Deleting all the contents of the Ngc folder can help fix this issue. Here’s how:

Open File Explorer and navigate to the following path. C:WindowsServiceProfilesLocalServiceAppDataLocalMicrosoftNGC

Select all the files and press Shift + Del to delete them permanently.

Delete and re-create your user account.

3] Disable ADAL

ADAL is a .NET framework tool that allows developers to authenticate users to an on-premises Active Directory deployment or the cloud. Turning it off can sometimes fix errors related with TPM. Here’s how:

Press the Windows key + R to open the Run dialog box.

Type regedit and hit Enter.

Once the Registry Editor opens, navigate to the following path. HKEY_CURRENT_USERSoftwareMicrosoftOffice16.0CommonIdentity

In the right pane, create a new DWORD (32-bit) Value and name it EnableADAL.

Restart your device once done and see if the error is fixed.

4] Remove and re-add your account

If the error isn’t fixed, try removing and re-adding your Outlook account. Doing so can fix temporary bugs and issues you might be facing. Here is how to remove your account:

Now, add that account and check if the issue persists.

5] Repair Outlook

If none of these steps could help you, consider repairing Outlook. It has been known to help most users get over this error. Here’s how to do it:

Press Windows Key + I to open Settings.

Read: Fix 0x800CCC90 Outlook error code

What does error code 80090016 mean?

The outlook error code 80090016 usually occurs after a devices motherboard has been replaced. This error can also occur if the TPM is facing any errors. You can fix this by renaming the BrokerPlugin file. For your information, we have enlisted some solution that will troubleshoot the issue.

How do I resolve a TPM issue in Outlook?

To resolve a TPM issue in Outlook, you need to find the root cause of the problem. That said, you can go through the above-mentioned solutions to troubleshoot the issue regarding TPM in Outlook. In case you cannot find the root case, you can disable ADAL, rename the BrokerPlugin file, and re-add your account as well.

Fix: Event ID 1098: Error 0xCAA5001C, Token broker operation failed.

Fix Outlook Error Too Many Recipients On Windows 10/11

Fix Outlook Error Too Many Recipients on Windows 10/11




Microsoft Outlook is one of the most popular email client software available on a wide range of devices.

After sending multiple emails in bulk, Outlook might receive a response of Too many invalid recipients, usually followed by Error 550. See how to fix this in the article.

The Outlook troubleshooting section contains a lot more of these types of articles.

Many more fixes can be found in our dedicated Outlook Fix section that you can deal with easily by following the instructions.

Are you getting an Outlook error that says there are too many recipients? Well, the first thing to know about this error is that it happens when a distribution list is too big, and people who regularly use distribution lists to manage and/or send emails are prone to receiving this error.

The error, which is displayed as Error 550 Too many invalid recipients occurs when you attempt to send a message to multiple users or email addresses, that are no longer valid, from Outlook, and eventually, the message doesn’t get to the intended recipients.

But what really is the maximum number of recipients you can send messages to at a go using Outlook? First of all, the Outlook error too many recipients message isn’t generated by Outlook itself, but comes from your internet service provider (ISP), or your corporate mail administrator in the form of a send/receive error.

This is because Outlook doesn’t have a limit on the number of addresses you can send to in one single message or email.

However, your ISP or corporate mail admin can set limits or a combination of limits on the number of emails you can send in an hour or day and the number of recipients for a single email in a bid to protect the mail server from abuse or excessive use.

But this is something you’d then have to check with your ISP or corporate mail admin to avoid getting the error in future messages.

One of the easiest ways of dealing with this error is by first creating a distribution list that has an optimum number of email addresses, though you can find out from your mail admin or ISP about the limits on the number of emails you can send. In this way, you can avoid receiving the Outlook error too many recipients next time you send multiple emails.

Otherwise, you can try some of the solutions listed below if the error persists.

Fix: Outlook error too many recipients 1. Make a new profile and account on Outlook

Open Control panel

Select Mail

Delete the Outlook profile

Restart your computer and open Outlook again

Make a new profile and a new account

If the account is an Exchange, connect to the exchange server

If it isn’t Exchange, use the manual account setup to connect the PST file, otherwise back up the PST file first

Note: Making a new profile should not damage the PST file.

If creating a new Outlook profile or account doesn’t fix the Outlook error too many recipients, make a new test Windows User Profile (account) by logging into the new Windows account, set up Outlook and test it again.

2. Check with your ISP

If you get Outlook error too many recipients, there could be an email reputation issue and your ISP probably doesn’t want to admit it.

In this case, check your ISP’s domain reputation, block reputation, and your assigned address reputation from sites like chúng tôi chúng tôi chúng tôi or

3. Work with or around the email limitations

To do this, there are several methods that come in handy including:

Using a Mail Merge

Use a Mail merge add-in to break mail merge into batches below the email limitation

Consider using a third party app or service for mass mailings or distribution lists

Get an upgrade on your subscription from your ISP and ask about possibilities that such an upgrade comes with, look out for email allowances or limitations

Check with your corporate mail administrator for a specific mail address you can use to send out large distribution lists or mailings, and/or remove the limits on your account temporarily. You can also schedule the list to go out or run later in the night

Verify your account through SMS to allow you to temporarily go beyond the set limit on sending emails or messages

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Fix: Ccleaner Error When Opening Files For Writing

FIX: CCleaner error when opening files for writing




CCleaner is a very popular utility software for Windows that removes unused files and invalid Windows Registry entries to keep your computer lean.

While installing, the Error opening file for writing might show. If this is the case, run CCleaner installer as Admin and check if it isn’t running in the background.

Now that CCleaner is up and running, get the most out of it! Check out our CCleaner section on the site for related articles.

Users have a lot of different software installed. When an error occurs, we write a guide about how to fix it in our PC Software errors section on this website. Visit often.



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When you want to clean up or optimize your computer for better performance, there are many tools available that can help you do the job, and well at that.

One of these tools is CCleaner, arguably one of the world’s most popular ones that clear out temporary files clean your Registry and erase browser history among many other tasks.

CCleaner is also compatible with Windows operating system, and has a great user interface, support for Chrome and Internet Explorer, plus added support for programs like BitTorrent, AVG antivirus, Audacity and others.

In short, it is the ultimate tool for cleaning your system, but you still have to make a full system backup and create a new system restore point prior to using it.

Like any other software, CCleaner also has troubleshooting issues that bring up errors in its installation and usage, like the CCleaner error opening file for writing.

This error is associated with installation problems when using the tool if you’re trying to install it without being logged in as an administrator.

Check out the known solutions to resolve the CCleaner error opening file for writing.

How do I fix CCleaner error opening file for writing 1. Retry running the installer

If this doesn’t get it back up and running again, try the next solution.

⇒ Get CCleaner

2. Log in as an administrator

As mentioned earlier, the CCleaner error opening file for writing may be caused when you try to run CCleaner without being logged in as an admin. In this case, you can log in as admin and run it, or contact your system admin for help with this.

If you were able to log in as an administrator and this worked, you can carry on using CCleaner on your system, if not, try the next solution.

3. Use CCleaner Portable

CCleaner Portable is the perfect tool when you need to clean your system on the go or want to carry it elsewhere to do a cleanup on another computer system. This version lets you carry it in your USB flash drive and use it anywhere, though it may have limited functionality if you’re not using an administrator account.  Once installed, you can run CCleaner without logging in as an admin, but it may not clean certain files and folders.

⇒ Get CCleaner Portable

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Fix – Google For Android Shows As Offline

Users of the Google app or the Google Assistant for Android may find times when the app displays a message that says “Offline. No network available. Check your connection and try again.“. It may display this message even when there’s an Internet connection. Here are the simple steps that can help fix the issue and get started with your work or play.

The Google app of any Android phone is the hub for many built-in features and functionalities of the overall Android experience. This single app controls Google Search, Google Assistant AI, Google News, Google Translate, Identify Song, Google Discover, Google Collections, and many more. If this app is down, you lose many utilities of your Android smartphone. So, when facing any Google app functionality issues, get started with the following troubleshooting ideas to fix it for good.

What Is Google App?

You may know it just by the Google Search box on your smartphone Home Screen. You can actually open the parent Google app from the app drawer. It’ll just say Google with a Google’s G logo. It’s a built app for all smartphones that use the stock Android or any modified version of Google Android. You can’t uninstall or shut down this app because it takes care of many background functionalities of the smartphone. Here are some examples:

When you quickly search for something on Android, that’s the Google app.

If you swipe from the left edge of the screen on your smartphone, you get a bunch of news articles. This is also the Google app.

When you redirect Chrome from Chrome to another app, the Google app takes care of the redirection.

Not to mention, all small but great help like in-app text translation, reverse photo search, weather update, etc., are also from the Google app.

What’s This Google App Offline Error?

Google app is pretty neat! It’s lightweight and doesn’t bog down the device like other mega apps. However, it has its own share of glitches and funny errors that are highly annoying. For example, the following are the most common issues that you can face while using the Google app:

It looks like you’re offline

Check your network connection and try again

No data connection

Google Assistant keeps loading when you say Okay Google

In all the above errors, the Google app thinks that the Android system doesn’t have access to a functional internet network, either through mobile data or Wi-Fi. Though, you might see that network bars are there or the internet is working on Chrome. When you face the above, try these troubleshooting ideas without wasting time:

Double-Check Mobile or Wi-Fi Internet

If the Google app is showing the internet isn’t available, then it’s worth checking whether your mobile or Wi-Fi internet is actually working or not. Open YouTube or any other content streaming app and try to watch a video. If it works, the internet isn’t the problem.

Sometimes, your Android device may show mobile internet is active but it’s not downloading or uploading any data due to network issues. Swipe down the notifications shade from the top of the device screen and activate Airplane mode. After 10 to 15 seconds, disable the Airplane mode. This will force a reset of the cellular network strength. Now, switch off and on the mobile data internet button on the device.

Now, open the Google app and see if it’s serving the latest news or not. You could also search for something online on Google Search.

Contact IT Admin for Organization Managed Devices

Are you using an Android smartphone given to you by your employer or using your own Android but the employer is managing it for the organization’s security reasons? In that case, you need to check with the IT admin of your organization. Sometimes, businesses may disable third-party app logins using work or business emails. Thus, the Google app won’t work in such cases.

to Google App Using a Personal Email

If you’re unable to use the Google app from a business email, try signing in with a personal email like Gmail, Yahoo Mail, Outlook email, Apple Mail, and so on. It also fixes the Google app offline error.

Open the Android Settings app.

Navigate to the Passwords & accounts.

There, touch the Add account option.

On the Add an account screen, choose the email service from the provided list.

Let’s choose Google.

On the Verify that it’s you pop-up, authenticate the action using your fingerprint or PIN.

Enter your email or mobile phone number and tap Next on the Google Sign in screen.

Enter a password or OTP to complete the sign-in process.

Now, open the Google app from the app drawer and tap your profile picture in the top right corner.

There, tap the drop-down arrow beside your previous email.

An email selection menu will pop down.

Choose the newly-added email.

This should fix the Google app issue instantly!

Force Stop and Restart Google App

Here’s how you can stop the app from working in the background and restart from the app drawer to fix the Google app offline error:

Open the app drawer and long-press the Google app.

Three to four context menu-type cards will pop up.

There, tap the (i) icon to open the App info window of the Google app.

Touch the Force stop button.

Now, go to the Home Screen.

Again open the apps drawer and launch the Google app.

Check if Google Assistant or Search works or not.

Uninstall All Updates of the Google App

When the Google app doesn’t work as intended, you may also try uninstalling all the recent updates. This will revert the app back to the factory version. Sometimes recent updates contain minor bugs that cripple the app after updating. However, the developer quickly releases a patch to fix that. Until the patch is there, you can use the app in the factory version. Here’s what you need to do to fix the Google app offline issue:

Open Google Play Store and tap your profile picture.

Touch the cogwheel icon to access the Settings screen.

There, tap Network preferences.

Now, tap on Auto-update apps.

Choose Don’t auto-update apps from the pop-up that shows up.

Go to the App info screen of the Google app. You already know the steps from the previous troubleshooting.

There, you’ll see the kebab or three dots menu in the top right corner.

Tap on that menu and then choose Uninstall updates from the context menu that shows up.

The Google app will close. Now, open the app from the app drawer and see if it’s working or not. If it’s working, update Google apps a few days later. Don’t forget to switch back to auto-update apps on the Play Store by reversing the above steps to disable auto-update.

Clear Cache and Data of Google App

If you don’t want to uninstall updates of the Google app, you may consider clearing the cache and app data of Google data. Here’s how it’s done:

Go to the Google app’s App info page as you did previously.

There, tap Storage & cache.

Inside Storage, touch the Clear cache button.

Now, touch the Manage space button.

On the Google Search Storage screen, tap Clear Google Search Data and Clear All Data.

Update Android OS

If you turned off automatic updates of your Android device, you can face various app compatibility issues. Thus, you must update the device to its latest security patches and OS upgrades. Head over to this excellent coverage of “How to Check for Updates on Android” and give this a shot.

Once you update an Android, it should restart automatically. If it doesn’t restart your device by long pressing the power button on the side of the device and then choosing Restart on the screen. Now, check if Google Assistant or Search works perfectly or not.

Wrapping Up

Next up, how to fix not enough storage on Android.

10 Best Offline Apps For Android For When Your Internet Crashes

Price: Free / Book prices vary

Amazon Kindle and Google Play Books are great offline apps. They both let you amass a collection of ebooks. Both of them also have various customization features, a night mode, and other basics. They also let you download books for offline use and both take a fairly liberal approach to it. You can download as many as you want as long as your device can hold them. Both apps are also free to download. Books cost money, obviously, although both have a healthy selection of free books as well.


Price: Free / $5.99

Cookmate is a recipe manager app. You can input recipes from all over the place and keep them for future use. It works predominately offline and syncs when it needs to. The app also supports over 200 cooking websites natively so you can import recipes fairly easily or just make your own manually. The pro version adds cloud support and we recommend it since you will probably change your phone out eventually. The UI looks decent and the functionality is definitely there.


Price: Free

Flym is a news reader and it works quite well offline. The app includes a dark mode, multiple news sources, a favorites system to store your favorite articles, and the ability to backup and restore your feed in case you switch phones. The reader is simple to use with an easy UI. You simply find the blogs you want, save the articles you want for offline reading, and read them when you have a chance. It’s not quite as feature heavy as some others, but its offline capabilities are better than most. Plus, the app is entirely free as of the time of this writing.

Google Drive

Price: Free / $1.99-$99.99 per month (100GB-10TB)

Google Drive actually has pretty decent offline support. You can sync any number of files to your device from the cloud. Those files are usable with Google’s suite of apps, including Google Docs, Sheets, and Slides. There are too many use cases for such functionality to list here. It helps with productivity, work, various niche cases, and tons of other instances. It’s also not limited to office files. You can sync ZIP files, APK files, or even music and video files if needed. The service grants 15GB of storage for free. You can get more for an optional subscription.

Google Translate

Price: Free

Google Translate is a powerful tool with offline support. Most people already know about Google Translate. It lets you translate between basically any spoken language on the planet. The app also works with OCR. You point your camera at a thing and it translates that thing into whatever language you need. The app still works offline with support for 59 languages, according to its Google Play listing. It’s also completely free, like most Google apps.


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Simple Mobile Tools

Price: Free

Simple Mobile Tools is a developer on Google Play. It has a bunch of apps and they all work offline. Some of the options include a gallery app, an offline calendar, contacts app, file manager, note pad app, and more. Each one costs $1.19. There are free versions but they don’t get updates anymore. Thus, we don’t recommend those. Each app has a simple UI and a few good features along with the option to use online features if you want to. However, those looking to keep off of the grid have a solid set of tools here and none of them cost much.

Joe Hindy / Android Authority

Splend Apps

Price: Free / Usually $2.99 each

Splend Apps is a developer on Google Play with a variety of offline apps. They are all very simple apps within their ecosystems. Their list of apps includes a notepad, a to do list app, a voice recorder, a flashlight, a file manager, and several others. All of these apps work without accounts or syncing and exist entirely offline. There are better apps in all of these categories. However, these apps have virtually none of the online stuff that others do. You can still sync with Google Drive and Dropbox, though. All of these apps are usually free with a pro version that usually goes for $2.99.

Joe Hindy / Android Authority


Price: Free / $24.99 per year

Most to-do list apps work offline. However, we just like TickTick. The app lets you keep track of your daily, weekly, or monthly tasks. In addition, you can use its task list for things like grocery store lists and other such things. The UI is minimal and enjoyable. The free version also lets you have up to two reminders per task along with collaborative tasks with other TickTick users. My girlfriend and I use this app to remind ourselves to take out the garbage every week, for instance. The app works perfectly fine offline and simply syncs when you get an Internet connection again. The pro version is $24.99 per year and almost entirely unnecessary for all but the most hardcore users.

Bonus: Almost any streaming app

Price: Free / $9.99 per month (usually)

We could recommend some obvious stuff here like Netflix, YouTube Premium, Spotify, and others. However, basically all streaming services have a method of downloading content for offline use. It’s usually somewhere in the settings of these apps in case you can’t find them and there are some restrictions that change from app to app. However, most of them let you download stuff and play it directly on your phone or tablet. You can use whatever ones you want, we’re not picky. We do recommend doing a quick check to make sure they have offline features first. We don’t think you’ll have a problem with it, though.

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