Cannot save rules

I have a couple of rules configured already and today I wanted to add another one but when saving the rule I get the error that I don’t have enough space for that. I just cleaned up my mailbox and I have enough space left in my mailbox. How can I make Outlook to save this rule?

The full error reads;
"One or more rules could not be uploaded to Exchange server and have been deactivated. This could be because some of the parameters are not supported or there is insufficient space to store all your rules."

The limitation of saving rules has nothing to do with the size available in your mailbox but is actually an Exchange limitation. Exchange has a limitation of only having up to 32KB of rules active at a time (deactivated rules don’t count for the limit). Unfortunately there is no way to see how many space you still have available to save rules but on average you should be able to have up to about 40 rules. When you have more complex rules the amount of rules that you can have active at a time will reduce significantly.

Exchange 2007 has the ability to go beyond this 32KB limit. By default the limit is set to 64KB but your administrator can configure it to be up to 256KB. This works for all supported versions of Outlook as well; not just Outlook 2007!

Instead of creating more rules also consider using a combination of Custom Views, Search Folders, Categories and Automatic Formatting to sort your mail and become more productive. A guide for that can be found here.

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