How to Turn Outlook 365 Plugins On or Off

Learn how to enable or disable Microsoft Outlook 365 plugins with these steps.

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Disable All Plugins/Add-ins at Startup with Safe Mode

You can prevent plugins from loading at Outlook startup by launching it in Safe Mode. These are the perfect steps when troubleshooting problems with plugins crashing or freezing Outlook.

Option 1

1. Close Outlook.
2. Hold down the “CTRL” key on your keyboard, then launch Outlook.
3. When prompted with the “Do you want to start Outlook in safe mode?” message, select “Yes” or “No” as desired.

Option 2

1. Close Outlook.
2. Hold the Windows Key, then press “R” to bring up the “Run” box.
3. Type the following then press “Enter“:
   Outlook /safe:3

Outlook then starts without plugins loaded.

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Turn Add-ins On or Off

Use these steps to manually turn Outlook Add-ins on or off permanently.

1. Open Outlook.
2. Select “File” > “Options“.
3. Select “Add-ins” on the left pane.
4. In the “Manage” area at the bottom of the window, select “COM add-ins“, then select “Go“.
5. To turn add-ins off, uncheck any add-ins you don’t want to load. You can also highlight items and select “Remove“. Select “Add” to add any plugins you like.
6. Select “OK“.

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FAQ

Where is the folder where Outlook add-ins reside?

By default, it’s at: C:\Users\username\AppData\Roaming\Microsoft\AddIns

 

Why are my options to add or remove add-ins grayed out?

Have a look at our post Outlook Get Add-ins Button Is Grayed Out