Great article on things to remember when using Microsoft's Outlook email program. One of the most important tips is the following:
Data files can blow up
Outlook data files (.pst) are susceptible to corruption if they grow too large. To avoid trouble, train users to keep an eye on the size of their data file. The limit is 2GB; users should regularly delete unwanted mail and archive old messages long before the .pst file reaches that size.
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