.ARCH00 File

.arch00 is F.E.A.R. Game Archive

Key Features: .ARCH00 File Extension

Features	Description
File Extension	.arch00
Format	N/A
Created by	Sierra
Category	Game

What is an .ARCH00 file?

Data archive format used by F.E.A.R. (First Encounter Assault Recon), a first-person shooter video game; includes game data referenced by the F.E.A.R. and required for the program to run; typically should not be opened manually, but can be modified using a third-party archive tool.

Sierra

Game

N/A

How to solve problems with ARCH00 files

Associate the ARCH00 file extension with the correct application. On :
Windows: Right click on any ARCH00 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ARCH00 files". Mac: Right click (or Ctrl-click) the ARCH00 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
Update your software that should actually open .ARCH00 is F.E.A.R. Game Archive. Because only the current version supports the latest ARCH00 file format. Search, therefore, e.g. on the Sierra manufacturer website after an available .ARCH00 is F.E.A.R. Game Archive update.
To make sure that your ARCH00 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.