OnlyOffice delivers a full office suite — documents, spreadsheets, presentations, PDF editing, and forms — with real-time collaboration. 100% compatible with Microsoft Office files.
Every tool your team needs, running in the browser.
Rich text editing with headers, tables, images, charts, tracked changes, and mail merge.
400+ functions, pivot tables, conditional formatting, macros, and charts.
Slide master layouts, transitions, animations, presenter mode, and media embedding.
Fillable forms with text fields, dropdowns, checkboxes, and digital signatures.
View, annotate, fill, sign, and convert PDFs directly in the browser.
Enterprise-grade collaboration without the enterprise price tag.
Multiple users edit the same document simultaneously. See cursors, selections, and changes in real time. WOPI protocol support.
Open and save .docx, .xlsx, .pptx natively. No conversion artifacts — pixel-perfect rendering of complex documents.
Threaded comments, suggested edits, version comparison, and revision history. Enterprise review workflows built in.
Extend with plugins: AI writing assistant, YouTube embedding, Zotero citations, code highlighting, and more.
Connects with Nextcloud, ownCloud, Seafile, Moodle, Alfresco, SharePoint, and any WOPI-compatible platform.
Full UI localization including RTL support. Spell checking in 30+ languages with custom dictionaries.
Why businesses are ditching per-seat SaaS pricing.
From zero to office suite in three steps.
Choose any hosting plan. OnlyOffice Document Server is pre-configured in Docker and ready to deploy.
Launch the OnlyOffice container from your dashboard. Auto-configured with SSL, fonts, and spell checking.
Access documents from any browser. Share links, co-edit in real time, and manage files through the built-in portal.
Stop paying per seat. Deploy OnlyOffice on your GoSiteMe server and give your entire team professional office tools — free.
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