Microsoft Outlook 2007 has interactive user interface with various other advance features. But, usually Outlook 2007 users face the following issues:
MS Outlook freezes during start-up, the status bar shows “Loading Dataset..” for a long time and you cannot perform any action on your email items unless that initial “Send/Receive” is complete.
Since many Outlook 2007 users are complaining about slow processing, it is must to find out a suitable solution for dealing with this issue. Reasons behind the slow performance of Outlook 2007 are still unknown but following are some tips that can help you significantly increase the Outlook speed:
Extend.dat
C:\Documents and Settings\<username>\Application Data\Microsoft\Outlook
Outcmd.dat
C:\Documents and Settings\<username>\Local Settings\Application Data\Microsoft\Outlook
Views.dat
C:\Documents and Settings\<username>\Application Data\Microsoft\Outlook
Frmcache.dat
C:\Documents and Settings\<username>\Application Data\Microsoft\Outlook
In Windows Vista, you can locate the specified files at following locations:
Extend.dat
C:\Users\<username>\AppData\Local\Microsoft\Outlook
Outcmd.dat
C:\Users\<username>\AppData\Roaming\Microsoft\Outlook
Views.dat
C:\Users\<username>\AppData\Local\Microsoft\Outlook
Frmcache.dat
C:\Users\<username>\AppData\Local\Microsoft\FORMS
After performing the previous action, restart MS Outlook 2007. Your problem will be resolved; but in case, Outlook is still slow then execute the next step.
After executing these steps, restart MS Outlook.
While using MS Outlook, you may encounter various JET errors due to PST corruption. PST is an Outlook file in which Outlook stores user’s emails. Once the PST file gets damaged, you need to repair it to access your emails items stored in it. One can repair the damaged PST file by using Kernel for Outlook Repair and email recovery software. The software to repair outlook files can efficiently repair PST files created in MS Outlook 97, 98, 2000, 2002, and 2007.