However, we can’t always be sure that the system is the cause so let’s look into the fixes to troubleshoot this problem. Such issues are mostly caused due to system errors, and a simple update will probably fix your problem. How to Fix Outlook Signature Not Working? However, it is contrary in case of image signatures. You need to have at least Exchange 2007 version to view your email in HTML format. Some phones can only read plain texts, so even though the signature is sent, it might not appear on the receiver’s device. Unable to Read HTML Format: If the signature is in HTML format, the receiver might not be able to see it, especially if they view the mail on their phone.

If you use a Personal MS Account, you won’t get access to it. However, only organizations are allowed to view or change the policy. You will have to enable this feature to use it.

OWA Policy: While using Outlook on the web to send an email, OWA policy might block this feature.

Try to update or install a newer version of MS Office under such circumstances. Error log messages tend to appear to warn that the outlook signature is not working properly.

Code Issue With the New Update: Problems with the signature feature are mostly found on the new update of older versions of Office.

Some of the culprits behind the signature feature not working are Even though there is no reasonable cause for the outlook signature feature not to work, some code errors or cache might cause this.

How to add signature in outlook 2022