File Extension GS1

.GS1 File

File extension: GS1
File type: Save State 1


Notes about the GS1 file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The GS1 file type is primarily associated with 'Genecyst'. Genecyst is a Sega Genesis system emulator released in 1997. The number behind the .GS# file extension indicates the save state (current game state at time of the save) number. Savestates are compatible with the Gens emulator and probably all of its variants. This should apply to any saved Sega Genesis games played in an emulator.

Detailed information for file extension GS1:


Primary association: Genecyst
Identifying characters Hex: , ASCII: GST

Other applications associated with file type GS1:

  • GraphShow Presentation
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

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