It took about 20mins for my Mac Mutlook 2011 to start up and it heat up my Mac to a "burning" temperature. 

Please advise what I can do. 

I do have heavy folder (12 GB & 416MB) imported from my PC outlook version, but I do need those files for reference. Would that cause the issue?

Do I need to "Archive" the documents in Mac Outlook 2011?

It took about 20mins for my Mac Mutlook 2011 to start up and it heat up my Mac to a "burning" temperature. 

Please advise what I can do. 

I do have heavy folder (12 GB & 416MB) imported from my PC outlook version, but I do need those files for reference. Would that cause the issue?

Do I need to "Archive" the documents in Mac Outlook 2011?