Files with keepsafe extension can be usually encountered on Android devices as part of KeepSafe security app. These are in fact whole folders, not just single files.
Software that open keepsafe file
KEEPSAFE file extension - Keepsafe folder
What is keepsafe file? How to open keepsafe files?
File type specification:
File extension keepsafe is related to a security app of the same name (KeepSafe) and used for the default folder on Android devices.
So it's actually appended to a folder, not single file. This folder seem to contain encrypted backup.
These files are encrypted and can only be accessed by entering the correct password or PIN in the Keepsafe app.
Updated: December 1, 2023
The default software associated to open keepsafe file:
Company or developer:
KeepSafe
KeepSafe is a private picture locker that keeps all of your personal photos and videos hidden and protected behind multiple layers of security.
List of recommended software applications associated to the .keepsafe 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 keepsafe file, edit keepsafe file, convert keepsafe file, view keepsafe file, play keepsafe file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with keepsafe file - Keepsafe folder
Click on the software link for more information about KeepSafe for Android. KeepSafe for Android uses keepsafe file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).