A daily updated filename extension database!

SG3 file extension

The table below provides useful information about the .sg3 file extension. It answers questions such as:

  • What is the .sg3 file?
  • What program do I need to open a .sg3 file?
  • How can the .sg3 file be opened, edited or printed?
  • How can I convert .sg3 files to another format?

We hope you find this page helpful and a valuable resource!

2 extension(s) and 0 alias(es) found in database

✅ ChessDB Game Data

SG3 file is a ChessDB Game Data. ChessDB is a free chess database which can be used on Microsoft Windows, Linux, Apple Macs running OS X, FreeBSD, as well as most if not all modern UNIX versions.
SG3 format description not yet available
Category: Data files
Application: ChessDB
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SG3 aliases:
SG3 related links:
SG3 related extensions:
ChessDB Index Data

ChessDB Name Data

ChessDB Saved Search Options

✅ Atari 8-bit Standard Graphics 3 Image

SG3 file is an Atari 8-bit Standard Graphics 3 Image. The Atari 8-bit family is a series of 8-bit home computers introduced by Atari, Inc.
SG3 format description not yet available
Category: Graphic files
Application: Recoil
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SG3 aliases:
SG3 related links:
SG3 related extensions:
Commodore Amiga Sliced HAM Image

Commodore Amiga TVPaint Image

Commodore Amiga TurboSilver Image

Atari Falcon Prism Paint Image

Commodore Amiga Continuous Bitmap Image

SAM Coupe Bitmap Image

ZX Spectrum Multicolor Image

ZX Spectrum MultiArtist Image

Commodore Amiga Multi-palette Image

NEC PC-98 XLD4 Image

Other types of files may also use the .sg3 file extension.

🚫 The .sg3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

sb3, st3, cg3, xg3, sn3, sgw, sge, gs3, sy3, sr3, sh3, sgr, sg, s3g

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Memories Builder Project
Drive Snapshot Backup Data
Star 3 MIDI Karaoke File
Cabri 3D Document
Genecyst Emulator Saved State
SIR Index and Data
SGR Genome Data
GameStarter File
Freescale S-record File
SimCity 4 Graphics Rules

🔴 Can't open a .sg3 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .sg3 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .sg3 file extension, write to us!

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