UOS file format description

Many people share .uos files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .uos file can be edited, converted or printed with. On this page, we try to provide assistance for handling .uos files.

1 filename extension(s) found in our database.

.uos - Uniform Office Format Spreadsheet

The UOS document files are related to EIOffice. The UOS file is an Uniform Office Format Spreadsheet. Uniform Office Format (UOF) is a Chinese developed open standard for office applications. It includes word processing, presentation, and spreadsheet modules, and is made up of GUI, API, and format specifications.

Document files
- / -
Uniform Office Format Spreadsheet related extensions:
Uniform Office Format Document
Uniform Office Format Presentation
Uniform Office Format Text

Naturally, other applications may also use the .uos file extension. Even harmful programs can create .uos files. Be especially cautious with .uos files coming from an unknown source!

Can't open a .uos 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .uos file extension is often given incorrectly!

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

ios, jos, kos, os, uis, uks, uls, ups, us, yos

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ObjectScript Source Code
English Language Info File
VisualBoy Advance UPS Patch File
UltraMixer Preset Data
Altair FEKO POSTFEKO Currents Data
Monster Hunter Freedom Unite US Saved Game

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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DataTypes.net >> UOS file