Export Files from iMovie

Select File » Export

Under Compress Movie For:
Select Expert settings

Click Share

Save As box  


Enter the name to be exported as

Export as Movie Quick Time Movie
Use Default Settings

Movie Settings  

Should not need to make changes to Filter, size, or Sound settings.

Uncheck the box for Prepare for Internet Sharing

Click on Settings...

Compression Settings  

Frame Rate: 29.97
Key Frames: every 150
Data Rate: Restrict to 3000
Optimized for Doanload
Compressor Quality: High
Encoding: Best quality

Click OK

Main Settings (again)  

Double Check the settings listed

Click OK