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.OLD File Extension

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

File Type Backup File
Popularity 4 stars  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File Description Typically used as an indicator for a backup copy of a file; appended to the filename when a newer version of the file has been created or saved by a certain program; often placed after the original file suffix (i.e. document.doc.old would be a backup copy of the file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
Mac OS Mac OS Original program
Windows Windows Original program
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Updated 6/8/2009 Star Fix file extension .OLD errors.
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