DA1 file extension - Windows Registry backup file
What is da1 file? How to open da1 files?
File type specification:
The DA1 file extension is used for Microsoft Windows Registry backup files since the times of Windows 95. The *.da1 file is probably a backup file of some .dat file, perhaps only with the file extension renamed.
The default software associated to da1 file type:
Company or developer:
Microsoft Windows is 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 Windows 10.
List of recommended software applications associated to the .da1 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file: like open da1 file, edit da1 file, convert da1 file, view da1 file, play da1 file etc. (if exist software for corresponding action in File-Extensions.org's database).
- Backup da1 file