Collabora Online is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate into Nextcloud.

### Features

- View and edit text documents, spreadsheets, presentations & more
- Collaborative editing features
- Works in any modern browser – no plugin needed
- Preservation of layout and formatting of documents
- text documents (odt, docx, doc…)
- spreadsheets (ods, xlsx, xls…)
- presentations (odp, pptx, ppt…)