SS1 File Type

- The quick facts

What are SS1 files and how to open them

Are you having problems opening a SS1 file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a SS1 file?

SS1 files have multiple uses, and Mini Office II SpreadSheet is one of them.

Mini Office II SpreadSheet

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 SS1 files

Important: Different programs may use files with the SS1 file extension for different purposes, so unless you are sure which format your SS1 file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single SS1 opener which you will find listed below.

Last updated: July 13, 2020

More file formats using the SS1 extension

Through our research of SS1 files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • MSX Home Office Spreadsheet

Various apps that use files with this extension

These apps are known to open certain types of SS1 files. Remember, different programs may use SS1 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about SS1 file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.