EWSEditor is a powerful developer and administrative tool used to bypass standard mail clients like Outlook and interact directly with Exchange Web Services (EWS) to diagnose and fix deeply corrupted, ghost, or un-deletable Exchange calendar items. Why Use EWSEditor for Calendar Issues?
When an item in an Exchange mailbox becomes corrupted, standard deletion attempts in Outlook trigger the Exchange Calendar Version Store logging mechanism. If the item’s internal data structure or body is malformed, this logging loop fails, generating a server-side exception (such as ErrorContentConversionFailed). As a result:
The item stays on the calendar or reappears seconds after deletion in Cached Mode. Reminders constantly pop up and cannot be dismissed. Outlook throws permissions or “item moved” errors.
EWSEditor interacts with the raw server-side store, allowing administrators to inspect raw MAPI properties, remove corrupted meeting properties, or hard-delete ghost items directly from the Exchange database. Step-by-Step Guide to Fixing Stuck Items with EWSEditor 1. Download and Connect
Download the standalone zip archive from the EWSEditor GitHub Releases page. Extract the file and run EWSEditor.exe.
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