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.OLD File Extension
 TIP: Run a free scan for .OLD file extension errors.

| File Type |
Backup File |
| Popularity |
Common |
| Category |
Backup Files |
| File Description |
Typically used as an indicator for a backup copy of a file; appended to the filename when a newer version of the file has been created or saved by a certain program; often placed after the original file suffix (i.e. document.doc.old would be a backup copy of the file "document.doc").
May be created automatically by a software program, but may also be created manually by the user; the ".old" extension may have to be deleted in order for the file to open correctly. |
| Program(s) that open old files |
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Mac OS |
Original program |
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Windows |
Original program |
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| Updated 6/8/2009 |
Fix file extension .OLD errors. |
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