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.CSD File Extension

A .CSD file is a Compact Shared Document, created by Valve.

Open with Valve Steam+. Available for Windows.

What is a .CSD file?

A .CSD file, which stands for Compact Shared Document, is a type of backup file used by Steam. Steam is a popular digital gaming platform developed by Valve Corporation that allows users to purchase, download, and play video games. The .CSD file contains backup data for games, which is useful for restoring a game if it has been accidentally deleted or lost. This file is similar to a .SID file, which is another format used for game backups on Steam.

To open or use a .CSD file, you need to have Valve Steam installed on your computer. Steam provides a feature to restore games from backup files. To restore a game using a .CSD file, you should open Steam, go to the "Backup and Restore Games..." option in the menu, and then follow the prompts to select and use your .CSD file for restoration. Typically, the .CSD file, along with its corresponding .CSM file, is located in the "Steam Backups" folder within the specific game folder.

This process is particularly useful for recovering games without needing to re-download them, which can save time and internet bandwidth.

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