Free online office for Box

Open and edit documents, spreadsheets, presentations, and PDFs within Box using integrated ONLYOFFICE Docs Cloud

Fully compatible with docx, xlsx, and pptx

Edit and co-author office documents within the Box interface

Get the ONLYOFFICE app for Box now from the Box App Center.

Working with office files directly within the Box frontend.

Support for more than 50 file formats, fully compatible with MS Office formats: DOCX, XLSX, PPTX.

A robust set of editing, formatting, and styling tools.

Real-time and paragraph-locking co-editing, review, version history, document comparison, comments & chat. Audio and video calls.

Free app available in the Box App Center. No additional configuration required.

Log into your Box account

Add the ONLYOFFICE app*

Check detailed instructions in Help Center.

*The app uses the pre-configured tenant of ONLYOFFICE Docs Cloud and doesn't require any additional configuration.