If the signature is in HTML format, the recipient may not see it in HTML format, especially if they view the email on their phone. In such cases, try updating or installing a newer version of Microsoft Office. When the outlook signature fails to function properly, error log entries arise. Problems with the signature function are most commonly encountered while updating earlier versions of Office. Employees will be unable to modify the signature format in this manner. Your business may have configured the signature in its way and disabled the Signature option at times. Issue 4: The Signature button is disabled by Group Policy The signature button may be inactive owing to a registry mistake pointing to the wrong location of Outlook.exe.

These problems were discovered and limited to Office users with the Language ID='en-gb.' Issue 2: Pre-installed Microsoft Office desktop appsĪnother possibility is that you installed an Office subscription on a PC that already has installed Microsoft Office desktop programs.

Users may encounter a similar problem when they pick the Stationery and Fonts option in Outlook. Some of the causes of the signature not working in outlook 365 are as follows: Issue 1: An issue with Language ID 03 Fix 'Outlook Signature Not Working' Error Caused by Corrupted Outlook Emails Part 1: Common Causes for the Outlook Signature Not WorkingĮven though there is no logical explanation for the Outlook signature function not operating, certain issues can be blamed.

How to add logo to email signature in outlook 365