How do you convert mpg into mov?

The 'Moving Picture Experts Group' (MPEG) is a working group of experts that was formed by ISO and IEC to set standards for audio and video compression and transmission.[1] It was established in 1988 and its first meeting was in May 1988 in Ottawa, Canada.[2][3][4] As of late 2005, MPEG has grown to include approximately 350 members per meeting from various industries, universities, and research institutions. MPEG's official designation is ISO/IEC JTC1/SC29 WG11 - Coding of moving pictures and audio (ISO/IEC Joint Technical Committee 1, Subcommittee 29, Working Group 11).

You try to convert mpg into mov, right? You do that for your Mac? If you need import mpg to mac, just convert mpg to mov, you can find many video converter applications which can import mpg and other format videos and generate mov/other formats videos for Mac OS.