What data file types does Outlook support? While working with Outlook, you will encounter two data file types: OST and PST. OST (Offline Storage Table) file types allow you to work offline.

If your Outlook Exported PST File appears empty, reset the View Settings, repair the PST, or manually export emails to the PST file.

If Outlook’s folder structure is damaged or if the data file has inconsistencies, you might face limitations even with proper permissions and hierarchy.