Tag archives for Microsoft Outlook

How to Open Orphaned OST File – Top Two Solutions

Summary: When you use Microsoft Outlook in Cached Exchange mode, OST (Outlook Offline Storage Table) files serve as a local cache for your mailbox data. However, these OST files may become 'orphaned' in some situations when they are unplugged from an attached Exchange mailbox. This can happen for several reasons, including mailbox deletion or server ...