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SB3 File

What are SB3 files and how to open them

Are you having problems opening a SB3 file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your SB3 files.

What is a SB3 file?

A .SB3 file is a Scratch 3.0 Project file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open SB3 files

Important: Different programs may use files with the SB3 file extension for different purposes, so unless you are sure which format your SB3 file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested three different SB3 openers which you will find listed below.

Last updated: December 21, 2023

Various apps that use files with this extension

These apps are known to open certain types of SB3 files. Remember, different programs may use SB3 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

MemoryMixerMemoryMixerUser submitted
mBlockmBlockUser submitted
Battleships Forever Ship MakerBattleships Forever Ship MakerUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about SB3 file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.