Both .xlsx (Excel) and .uso (Unified Office) files are spreadsheets, so it should be super easy to convert the data from one to another or vice versa. You will just have to use one of the spreadsheet programs that supports both XLSX and UOS format.
Home > Search converters: xlsx to uos
Conversion of xlsx file format to uos file format beta
Search for xlsx to uos converter or software able to handle these file types.
Convert Microsoft Excel Open XML workbook and spreadsheet to Unified Office format spreadsheet file.
We have found 3 software records in our database eligible for .xlsx to .uos file format conversion.
Apple macOS / Mac OS X software 
- convert xlsx to uos on OS X
NeoOffice
A full-featured set of office applications for Mac
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from xlsx file | No | Yes | Yes | xlsx editor | No | No | No | No |
to uos file | No | Yes | Yes | uos editor | No | No | No | No |
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned xlsx to uos. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Multiplatform software 
- convert xlsx to uos on any platform
Apache OpenOffice Calc (OpenOffice.org Calc)
Spreadsheet program from OpenOffice.org productivity suite
LibreOffice Calc
Full-featured spreadsheet tool from LibreOffice suite
Additional links: xlsx file extension details, uos file extension details
XLSX
An xlsx file extension is used by Microsoft Excel for its workbooks (spreadsheets) in Office Open XML format. XLSX is the latest spreadsheet format used by Excel with adoption of XML formatting first used in Office 2000. While older xls files were binary in nature, xlsx spreadsheets are using somewhat altered XML scheme.
UOS
Files with uos extension can be found as spreadsheets saved in Unified Office Document format.
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