A daily updated filename extension database!

SN3 file extension

The table below provides useful information about the .sn3 file extension. It answers questions such as:

  • What is the .sn3 file?
  • What program do I need to open a .sn3 file?
  • How can the .sn3 file be opened, edited or printed?
  • How can I convert .sn3 files to another format?

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

1 extension(s) and 1 alias(es) found in database

✅ ChessDB Name Data

ChessDB Name Data .sn3 file icon
SN3 file is a ChessDB Name 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.
SN3 format description not yet available
Category: Data files
Application: ChessDB
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SN3 aliases:
SN3 related links:
SN3 related extensions:
ChessDB Game Data

ChessDB Index Data

ChessDB Saved Search Options

ChessDB Repertoire Data

ChessDB Extended Position Description Data

✅ Drive Snapshot Backup Data

Drive Snapshot Backup Data .sna file icon
SNA file is a Drive Snapshot Backup Data. Drive SnapShot is disk imaging software that enables the user to back up, restore and view backed up hard disk data, easily and safely.
Category: Data files
Application: Drive SnapShot
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SNA aliases:
sn1, sn2, sn3, sn4, sn5, sn6, sn7, sn8, sn9
SNA related links:
SNA related extensions:

Other types of files may also use the .sn3 file extension.

🚫 The .sn3 file extension is often given incorrectly!

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

cn3, n3, ns3, s3, sb3, sg3, sh3, sm3, sn, sne, snr, snw

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Memories Builder Project
LogDator Measurement Data
Freescale S-record File
Elnec Programmer Serialization File
Scratch v3 Project
Motorola S-record Data
PG4UW Serialization Data
ChessDB Game Data
Cn3D Data
Humongous Entertainment Saved Game Data

🔴 Can't open a .sn3 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 .sn3 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 .sn3 file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文