NTSC is the standard VHS format for North America, Canada, and most of South America.
PAL is also a popular VHS tape format that is used in most other countries. If you happen to know your video tapes are recorded in this format, please mark it on your Order Form within your FOREVER Box for quicker processing.
SECAM is a lesser used VHS format that was used mostly in France, Russia, and parts of Africa.
General map of where certain VHS video formats used to be popular several years ago: