suddenly we can't use MFC MAPI

[JaeilJO]

The error is as follows

My Outlook M365 desktop app version is

As indicated in the error, when checking the registry, it is set to Microsoft Outlook.

I believe this is a bug, and I would appreciate it if you could provide a solution or fix.

Additionally my MFCMAPI version is latest

[stephenegriffin]

@JaeilJO
Let's get some logs:
1 - Open MFCMAPI
2 - Open Tools\Debug Viewer
3 - Set debug flags to 0x00080040
4 - Go back to main window and attempt to logon, see the error
5 - Back in Debug Viewer, copy out everything and share it here