Files with old file extension may be usually found as various backup files from programs for Windows OS. Sometimes it's just a simple extension renaming.
Software that open old file
OLD file extension - Backup archive
What is old file? How to open old files?
File type specification:
The old file extension is frequently used for "backup" of various files. Extension of these files was changed to OLD in order to prevent them from accidently deletion or access by the users.
These files were used in numerous programs and operating systems, for example Microsoft Windows.
The default software associated to open old file:
Company or developer:
Microsoft Corporation
A family of operating systems developed by the Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS. MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Microsoft Windows 11.
List of software applications associated to the .old file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open old file, edit old file, convert old file, view old file, play old file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting old files.
Programs that can create old file - Backup archive
Programs supporting the exension old on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Microsoft Windows for create old file action.
