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Windows 7: changing an ".ost"file to open with "unknown" application

12 Aug 2014   #1
objects

windows 7 Ultimate 32 bit
 
 
changing an ".ost"file to open with "unknown" application

I changed my outlook email .ost file to open with auto cad by mistake. Initially it was opening with an Unknown application. How can I enable it to open with an unknown application again? please help


My System SpecsSystem Spec
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12 Aug 2014   #2
carwiz

Windows 7 Pro-x64
 
 

You can try this tutorial and see if it helps.

Default File Type Associations - Restore
My System SpecsSystem Spec
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 changing an ".ost"file to open with "unknown" application




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