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ENow Software's Microsoft Exchange Online blog built by Microsoft MVPs for IT/Sys Admins.

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Ingo Gegenwarth

Outlook

Outlook: Limits and Performance

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Ingo Gegenwarth

When it comes to collaboration, Outlook is still the most in common tool. It’s not only an e-mail client, it allows you also managing your appointments, tasks etc.

Especially the manager-delegate scenario, Outlook is THE tool to be used. But even we have great features, supporting our daily work and many scenarios, there are always limits. And these limits can cause a lot of trouble.

In almost all cases you can avoid these issues, when you follow some principals. But therefore, you might need some background, which I’m covering in this post.

Folder Limit

This limit is by far the most seen issue in the fields (this is at least true for me and my teammates!). In the past the limit was 500 and was increased to 5000 for the C2R version of Outlook. This is mentioned first in the resolution section of the KB article:

Performance and synchronization problems when you work with folders in a secondary mailbox in Outlook

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