Recommended Mailbox Size Limits in Outlook/Exchange
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Saved by 2 people (0 private), first by anonymouse user on 2007-07-10
- Evansthompson on 2008-06-30 - Tags outlook , office2007 , reference , sysadmin , exchange
- Crankbos on 2007-07-10 - Tags no_tag
Public Sticky notes
It's item count, not size, that matters
Highlighted by evansthompson
In particular, performance is largely influenced by the number of items in the most commonly used folders: Calendar, Contacts, Inbox, and Sent Item folder.
Highlighted by evansthompson
Many Outlook plug-ins do sorts or searches as they are running, and these requests may overlap with other Outlook MAPI requests, resulting in a poor user experience.
Highlighted by evansthompson
All MAPI requests contend for attention in emsmdb32.dll; if you have a lot of plug-ins making requests, Outlook will run slower.
Highlighted by evansthompson
Other actions that inherently may take a long time include getting free-busy information for a lot of users on a meeting request, or doing a search across multiple folders
Highlighted by evansthompson
I usually recommend no more than about 2500 - 5000 messages in any of the critical path folders. The critical path folders are the Calendar, Contacts, Inbox, and Sent Item folder. Ideally, keep the Inbox, Contacts and Calendar to 1000 or less.
Highlighted by evansthompson
Public Comment