Excel has separate language settings for the program interface and for authoring/proofing. Changing one does not necessarily change the other, and workbook formulas or data are not automatically translated.
Change language in desktop Excel
- Open Excel.
- Select File > Options.
- Open Language.
- Review the Office display language and Office authoring/proofing language sections.
- Add the language you need if it is not already available.
- Set the appropriate language as preferred for the purpose you want.
- Restart Office applications if Excel requests it.
Language packs and managed installations
Some languages require additional Office language components. Use Microsoft’s supported Office language installation process rather than downloading unofficial language packs.
On a work or school computer, available languages can be controlled by the Microsoft 365 installation and administrator policy. Excel for the web can also follow account/browser language settings rather than the exact desktop Options workflow.
Changing Excel’s interface language does not translate cell contents, chart labels, or an existing workbook. Proofing language affects tools such as spelling and grammar support where those features are available.

Matt Jacobs has been working as an IT consultant for small businesses since receiving his Master’s degree in 2003. While he still does some consulting work, his primary focus now is on creating technology support content for SupportYourTech.com.
His work can be found on many websites and focuses on topics such as Microsoft Office, Apple devices, Android devices, Photoshop, and more.