There is only one file type that uses the .MCSP extension:
My Craft Studio Project File
Card design project file created by My Craft Studio, a program used for creating paper and card designs; stores text, graphics, effects, and page layout information; used for printing greeting cards, stationery, and other cards for various occasions.
|Crafting.co.uk My Craft Studio||Paid|
Updated: October 8, 2011