An arr file extension is related to the Advanced RAR Password Recovery program. An arr file stores project.
.ARR file extension - Advanced RAR Password Recovery project
What is arr file? How to open arr files?
File type specification:
The arr file extension is associated with the Advanced RAR Password Recovery, a software used to recovery password of RAR archives, available for Microsoft Windows.
The arr file contains project.
The default software associated to open arr file:
Advanced RAR Password Recovery 
Company or developer:
ElcomSoft Co. Ltd.
Advanced RAR Password Recovery recovers forgotten passwords for RAR archives. It run a brute-force attack that applies all possible combinations one by one. The software seems to be have been replaced by Advanced Archive Password Recovery.
List of software applications associated to the .arr 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 arr file, edit arr file, convert arr file, view arr file, play arr 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 arr files.
Software that open arr file - Advanced RAR Password Recovery project
Programs supporting the exension arr on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Advanced RAR Password Recovery for open arr file action.
