This guide will discuss all the available fixes for the recurring issue after discussing the potential causes.

Why has Microsoft Outlook Signature disappeared?

There could be a few reasons why the issue occurs. Some of them are mentioned below: 

Conflicting software – This issue could arise if you have the trial version of Office installed on your computer. You need to uninstall the trial version. Office version is of different architecture – If your computer support 64-bit and you have the software of 32-bit installed, there could be issues. Browsing data – Your browser cache can cause this issue; if using the Outlook Web app, try deleting the cache and cookies.

How can I fix the Microsoft Outlook signature disappears?

Before trying out the serious fixes, let us check out the quick fixes:

Quit and restart your Outlook app. Restart your PC. Uninstall the trial version of Office if you have one. Try a different browser if using the Outlook web app. If you have made changes to Transport Rule, wait for two hours.

If none of the above fixes worked for you, then you must try the troubleshooting steps mentioned below: 

1. Double-check the Signature settings 

1.1 For the OWA app

1.2  On the Outlook app

2. Clear browsing data (OWA app)

3. Check your device for signatures (Outlook app)

4. Use Registry Editor

5. Use a third-party app

If managing signatures is an integral part of your work, and you don’t want to deal with disappearing signatures on Microsoft Outlook, then you can try using Code Two Email Signatures. The cloud service helps you create and manage email signatures, automatic replies, and more. This will help you add your signature directly when composing emails.  So these are some of the workarounds to fix the Microsoft Outlook signature disappearing issue. If nothing worked for you and you don’t want to use the third-party app, then sadly, you will have to wait for the update from Microsoft. Please let me know if something else worked for you in the comments section below.

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