Last Updated: October 22, 2021
When you select the Signatures button, Outlook hangs or closes, and you are not able to add a signature. This same issue may occur when selecting the Stationery and Fonts button.
This issue has been isolated to Office users with Language ID="en-gb". At this time, the only workaround is to install Office in a different language. We will update this topic when more information becomes available.
Previous Update from August 14, 2018
The previous occurrence of this issue happens if you installed an Office subscription on a PC that has pre-installed Microsoft Office desktop apps.
Note: This issue is fixed in Office Version 1802 (Build 9029.2167) or higher. When you install an Office Subscription with that build or higher, it will automatically remove the pre-installed Microsoft Office Desktop apps.
To work around this issue, uninstall the pre-installed Microsoft Office Desktop Apps:
Right click the Windows Start button and select Settings.
Choose Apps, and then select Apps and Features.
Choose Microsoft Office Desktop Apps and select Uninstall.
Restart your PC.
Run a repair of Office to make sure everything gets fixed.
If this method is unsuccessful, follow these steps to remove the Office setup registry keys:
Note: Before you edit the registry, we recommend that you make a backup of your registry. If a problem occurs, you can then restore the registry to its previous state. Learn more about How to back up and restore the registry in Windows.
Press the Windows key + R to open a Run window.
Type regedit and select OK.
If prompted, select Yes in the User Account Control window.
Press CTRL + F to launch the Find window and enter this key in the search box:
Select Find Next.
Delete the key by right-clicking on the entry and selecting Delete.
Press F3 to repeat the search until no more registry keys are found.
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