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Windows Registry backup file
File type: Backup file
Files with da1 extension are known as registry backup files.
Found 2 different file type records with the same da1 filename suffix.
File type category:
Backup file
Date updated: December 30, 2024
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.
Software apps that backup da1 files:
Microsoft Windows
File type category:
Game file
Date updated: August 11, 2017
The da1 file extension is associated with the computer game Star Trek Generations, this game was developed by Microprose studio. The game is a first person shooter with many adventure and strategy elements based on same-named movie. The da1 extension file format is used as a save game file.
Files with da1 extension are meant to be regurarly opened as it is a backup file for saved games used by the Star Trek Generations computer game.
It is not possible to convert files with da1 extension.
Software apps that backup da1 files:
Microsoft Windows
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