File Extension Library


.SG3 File Extension

  • Developer by: SourceForge.net
  • Category: Database Files

What is an .SG3 file?

.SG3 file extension is created by SourceForge.net. .SG3 has been classified as Database Files.

.SG3 is ChessDB game data

The sg3 file extension is associated with the ChessDB the multi-platform database software used to store chess games.

The .sg3 file contains saved chess game. It is stored in simple text format, you can view a content of sg3 file in the text editor.


How to open:

Use ChessDB to open *.sg3 game files.

How to convert:

These games files cannot be converted to anything else. However, sometimes modding.

How to Open .SG3 file on different platforms

Open .SG3 File on Windows

  • Right-click a .SG3
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .SG3 file and Select check box "Always use this app to open .SG3 files" Press "Ok"

Open .SG3 File on Mac

  • Right-click (or Ctrl + Left-click) the .SG3 file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .SG3 File on Linux

Right click on the .SG3 file, choose "Open with" and select a program from the list above

Open .SG3 File on iPhone

Select a file. If you don't see an application to open the .SG3 file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .SG3 File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .SG3 files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .SG3 files

  1. You need to update the application that you normally use to open .SG3 files. Only the latest version of the software supports the current .SG3 file format
  2. You need to check the .SG3 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)