Is the user using a .PST file? If so, try running the Inbox Repair Tool
against it to see if it finds any errors. Search their hard drive for a file
called scanpst.exe and run it. Allow the program to make a backup of the
file before it makes any changes.

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Jocelyn Fiorello
MVP - Outlook
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> We have a user who is missing the subject header in some of their calendar
> appointments. They claim they were there and have all of sudden disappeared.
> How can this be resolved?