Home : File Types : FOS File

.FOS File Extension

File TypeFallout 3 Saved Game

DeveloperBethesda Softworks
Popularity
3.4 (5 Votes)
CategoryGame Files
FormatBinary

Binary

This file is saved in a binary format, which requires a specific program to read its contents.

What is a FOS file?

Saved game file created by Fallout 3, a post-nuclear war action role-playing game; contains game progress, including the player's location, character abilities, items, and mission states; can be auto-saved by the game or manually saved by the player.

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Programs that open FOS files
Updated 1/3/2011

About FOS Files

Our goal is to help you understand what a file with a *.fos suffix is and how to open it.

The Fallout 3 Saved Game file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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