View, manage, and install add-ins for Excel, PowerPoint, and Word (2024)

To disable or remove an add-in follow these steps:

1. SelectFile> Get Add-ins.

   Alternatively, you can selectHome > Add-ins.

2. You can directly install add-ins from this page or selectMore Add-insto explore.

3. In the Office Add-ins dialog, selectMy Add-instab.

4. Select an add-in you want to remove and right click to selectRemoveoption.

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You can see and change add-in settings in the Trust Center, descriptions of which are in the following section. Add-in security settings may have been determined by your organization so not all options may be available to change.

1. SelectFile>Get Add-ins.

2. SelectMore Add-ins>Manage My Add-ins.

3. SelectTrust Center>Trust Center Settings>Add-ins.

4. Check or uncheck the boxes you want.

• Require Application Add-ins to be signed by Trusted Publisher Check this box to have the Trust Center check that the add-in uses a publisher's trusted signature. If the publisher's signature hasn’t been trusted, the Microsoft 365 program doesn’t load the add-in, and the Trust Bar displays a notification that the add-in has been disabled.

• Disable notification for unsigned add-ins (code will remain disabled) When you check the Require Application Extensions to be signed by Trusted Publisher box, this option is no longer grayed out. Add-ins signed by a trusted publisher are enabled, but unsigned add-ins are disabled.

• Disable all Application Add-ins (may impair functionality) Check this box if you don't trust any add-ins. All add-ins are disabled without any notification, and the other add-in boxes are grayed out.

Note:This setting takes effect after you exit and restart your Microsoft 365 program.

While working with add-ins, you may need to learn more about digital signatures and certificates, which authenticate an add-in, and trusted publishers, the software developers who often create add-ins.

Use the following instruction to manage and install add-ins.

To install a new add-in:

1. SelectFile > GetAdd-ins.

   Alternatively, in Word, Excel and PowerPoint you can view your add-insby selecting Home > Add-ins.

   

2. You can directly install popular add-ins on the page or go to More Add-insto explore.

3. Select the add-in and selectAdd.

   Or browse by selectingStoretab in the Office add-in dialog to find other add-ins to install and select Add for that add-in.

To manage your add-ins:

1. SelectFile > Get Add-ins and fromthe bottom, select More Add-ins.

   Or selectHome>Add-ins > More add-ins.

2. In the Office dialog, select My Add-ins tab. If you are not able to see your add-ins, selectRefresh to reload your add-ins.

3. SelectManage My Add-into manage and selectUpload to browse and add an add-infrom your device.

If you've subscribed to an add-in through the Microsoft 365 Store that you don't want to continue, you can cancel that subscription.

1. Open the Microsoft 365 application and go to the Hometab of the ribbon.

2. SelectAdd-insand then selectMore Add-ins >My Add-ins tabto view your existing add-ins.

   

3. Select the app you want to cancel andselectManage My Add-ins.

4. Under the Payment and Billing section choose Cancel Subscription.

5. SelectOK and then Continue.

Once that's complete you should see a message that says "You have cancelled your app subscription" in the comments field of your apps list.

Some add-ins might not be compatible with your organization's IT department policies. If that is the case with add-ins recently installed onyour Microsoft 365 program, Data Execution Prevention (DEP) will disable the add-in and the program might crash.

Learn more about DEP