Last Updated: February 28, 2018
When you click the Signature button, Outlook hangs and you are not able to add a signature.
This issue occurs if you install 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 workaround this issue, uninstall the pre-installed Microsoft Office Desktop Apps:
Right click the Windows Start button and click Settings.
Click Apps, and then click Apps and Features.
Choose Microsoft Office Desktop Apps and click Uninstall.
Restart your PC.
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