| File Type 1 |
Backup File (Most common) |
| File Format |
File |
| Common? |
No |
| File Description |
Backup of a data file created automatically by various applications; generated in case the program crashes or the original file becomes corrupt and needs to be restored.
The ".bup" extension is often added after the original file extension; in order to open the file with the correct program, the ".bup" extension may need to be removed. |
| Program(s) that open bup files |
Windows: Various programs |
| File Type 2 |
DVD IFO Backup File |
| File Format |
Standard File |
| Common? |
No |
| File Description |
Backup of a .IFO file from a DVD video disc; stores information about the content of the DVD; may be accessed if the VIDEO_TS.IFO file cannot be read; like IFO files, BUP files are not encrypted. |
| Program(s) that open bup files |
Mac: Apple DVD Studio Pro
Windows: CyberLink PowerDVD; InterVideo WinDVD; Nero ShowTime |
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