its not extend.dat, it's the navigation pane's xml file. Try starting
outlook with the /resetnavpane switch - it will wipe out all customizations
on the nav pane.
if this fails, make a new profile.
--
Diane Poremsky [MVP - Outlook]
Author, Teach Yourself Outlook 2003 in 24 Hours
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"Bill Hobson" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Everyone who does support has those "special" individuals who can have the
> weirdest problems.
> Here is my latest: She has full rights to the calendar of an Administrator
> and even Reviewer rights at the mailbox level of his mailbox. Multiple
> times, she has clicked on the Calendar icon at the bottom of the
> navigation
> pane and when the view changes, there are *no* checkboxes in front any of
> the calendars in the navigation pane and furthermore, when she tries to
> access the Administrator's calendar by double-clicking on his name,
> Outlook
> says it can't display the calendar. Exit Outlook and go back to the
> Calendar
> view and they magically reappear and her access to his calendar is back! I
> have already deleted and let Outlook re-create EXTEND.DAT, but that didn't
> help.
>
> I am thinking of deleting her Outlook profile and re-creating it, but has
> anyone seen this before and come up with a solution?
>