I have an existing calendar. Upgraded to windows 7 and now when I try and
add an appointment, it will not save and gives me a "did not implement"
message?

What version of Outlook? I'd start with resetting the view (close outlook,
in the start search field, type outlook.exe /cleanviews).

--
Diane Poremsky [MVP - Outlook]
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"tamami" <(E-Mail Removed)> wrote in message
news:9A48A281-1117-4EC1-A311-(E-Mail Removed)...
> I have an existing calendar. Upgraded to windows 7 and now when I try and
> add an appointment, it will not save and gives me a "did not implement"
> message?