Inbox indicates "handle is invalid"

[Wjr]

It is unable to display the inbox folder

 

[K. Orland]

You need to provide more information first so we're not guessing.

Version of Outlook
Type of mail account
O/S
Did this ever work? If so, when was the last time it worked?
Is that the full extent of the error message? If not, please provide the
exact error message in its entirety.
Have you done any troubleshooting of your own?

 

[Roady [MVP]]

When doing what?
You might want to use the body to specify your configuration and clarify
your request.