Using older versions of Outlook for Mac for personal email and calendar
I have the exact same issue with a 2020 M1 on Monterey 12.3, the signatures are gone and the + button does nothing.
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On July 6 I installed the updates v16.63 (2207500) and in New Outlook the signatures from all four of the email accounts I have, have all disappeared. They are not visible in SIgnatures, and the '+' button in Edit Signatures does nothing – I can't recreate the signatures. I've upgraded to v16.63 (22070801) but no change.
I switched back to Legacy Outlook nd the signatures were all there, and I could edit and add signatures. Switching back to New Outlook, my signatures had reappeared, but once I restarted my MacBook, in New Outlook the signatures are not present and I cannot add any.
MacBook Pro (2012)
Mac OS Catalina Version 10.15.7
Microsoft 365 Business Standard
Any help gracefully received. I've tried the customer Customer Support button but the chat responses are painfully slow - conversation has been going on since July 7th with diagnostic questions taking 18-48 hours to appear.
Using older versions of Outlook for Mac for personal email and calendar
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I have the exact same issue with a 2020 M1 on Monterey 12.3, the signatures are gone and the + button does nothing.
Same thing happened to me. Can't figure out how to get auto signatures.
I've tried several times to no avail. Not working for me.
Macbook Pro with Montery 12.4, just updated to Outlook 16.63 and signatures stopped working.
This fix worked! Thank you!
Deleted 20 "untitled" signatures easily, and everything seems back to normal.
Good luck everyone. Try the two commands in your Terminal app. Don't include the "quote" characters.
You had "untitled" signatures becuase you keep pressing the "+" and it was creating them but you could not see them, until your signatures became visible again. I'll take a guess that after a few computer restarts, they will disappear again. I cannot count the number of times they have come and gone.
Macbook Pro with Montery 12.4, just updated to Outlook 16.63 and signatures stopped working.
This fix worked! Thank you!
Deleted 20 "untitled" signatures easily, and everything seems back to normal.
Good luck everyone. Try the two commands in your Terminal app. Don't include the "quote" characters.