This issue can occur when Outlook is configured in Cached mode and the local OST file gets corrupted on the computer. To Resolve: Right-click the Inbox (or other affected folder) and click Properties > Clear Offline Files - This will delete the local OST and leave your inbox empty. To reload the Inbox: Select …
The largest file you can receive from an outside sender is 50mb. Anything larger and they will have to provide an alternative method of getting the attachment. Such as OneDrive. The largest file you can send to an outside sender is 50mb *this is on our end. The recipients' server might not allow a file this large…
You have permission to "send as" another user or public folder; however, you receive this message when sending - You can't send a message on behalf of this user unless you have permission to do so. Please make sure you're sending on behalf of the correct sender, or request the necessary permission. If the problem co…