pst file. So… while Export copies the items you are exporting, Archive removes them from your current data file. You would use Export to create a backup of your data, especially when you are not using a pst file, or to create a copy to use on another computer.

Does exporting Outlook emails delete them?

No, exporting Outlook emails does not delete them from your Inbox, rather it exports a copy of your emails to another location. However, when you archive a mail in Outlook, it will no longer be visible in your Inbox. It can only be accessed from the Archive folder. 3)How do I download all emails from Outlook 365?

What is the downside of a PST file?

PST files are prone to corruption

One of the big problems with PST files is that they are prone to corruption. The original PST file format had a 2 GB size limit, and corruption would occur if the file grew beyond its limit. Modern PST files are less prone to corruption, but can still be problematic.