Because Outlook can't directly import from an OST file like it can from a PST file, if you want to copy your offline data to another computer, you can either configure the email client to connect ...

One alternative way is to create a new PST file and then import the data. Go to File > Account Settings > Data Files > Add, then choose “Outlook Data File (.pst)” and save the new file.

If Apps like Bing maps, etc. for Outlook do not load data when you launch Outlook & you see This app could not be started, then see this post.

If your Outlook desktop client on your Windows 11/10, is stuck at the Loading Profile or Processing stage, then this post may be able to help you.

3. Use Mailbox Cleanup Tool Outlook provides a mailbox cleanup option that helps you view the size of your mailbox and review individual mail folders. This can also help you find and delete older or ...