Outlook 2010 PST CREATION 1. When in Outlook 2010, go to Home | New Items | More Items |Outlook Data File. 2. Name the pst file and click OK and you are done. 3. Your pst file will now appear in Outlook. Compacting the old pst file After the new PST file has been created and you have moved email to the new pst file, the original PST file needs to be compacted to optimize the space used by the PST file on the U:\ drive. 1. Right click on the old pst file and select Data File Properties 2. Click Advanced 3. Click Compact Now. When compact has completed click OK on both windows and to get back to Outlook.
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