Convert Uniform Office spreadsheets (UOS) online for free
The converter easily converts your UOS spreadsheets to various formats - free and online. No WPS Office or or other Spreadsheet software needed.
The converter also works in reverse, so you can convert other "XML Spreadsheet" formats to UOS without using software like WPS Office or a similar tool.
A .UOS file is a Uniform Office Format (UOF) spreadsheet. It relies on an XML-based directory structure inside a compressed archive to store spreadsheet data, including rows, columns, formulas, text, and charts. The format was developed as a Chinese national standard (GB/T 20916-2007) to provide an alternative to proprietary office suites. It is primarily managed using WPS Office (formerly Kingsoft Office), Apache OpenOffice, and LibreOffice.
The main disadvantage of the .UOS format is its lack of global adoption. If you receive a .UOS file and attempt to open it in standard enterprise software like Microsoft Excel or Google Sheets, you will encounter "unsupported file format" errors. Even when opened in compatible open-source software, complex macros, pivot tables, or specific chart formatting often break. This causes severe workflow delays when sharing financial data or reports internationally.
To ensure your data is accessible, you must convert it. For full editing compatibility and formatting retention in Microsoft environments, convert to XLSX. If you only need to extract raw data for databases or programming scripts, convert to CSV (note that charts and formulas will be discarded). For a static, print-ready document, convert to PDF. Just drag and drop your file here on convert.guru to analyze and convert it - free, online, and without installing obscure software.
Use Convert.Guru to open and convert your UOS file.
Users also converted DOCUMENT FROM TEJESH files.
If you want to convert UOS file to XLSM, XLSB, WK1 or WK3, you can use WPS Office or similar software from the "Spreadsheet Data Storage" category. In the File menu, look for Save As… or Export….
To convert NOTES or QPW files to UOS, try WPS Office or another comparable tool in the "Spreadsheet Data Storage" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our UOS converter.