The OnlyOffice plugin enables collaborative online editing of Office documents (text documents, spreadsheets, or presentations) within the Academic Cloud web interface. OnlyOffice can be started simply by clicking on Office files in the web view at sync.academiccloud.com. In addition to the functions familiar to users of other Office products, the following additional features are available here: * collaborative editing of files in 2 modes (fast and formal) in the "Collaboration" menu * chat between collaborators * comment feature Detailed [[https://helpcenter.onlyoffice.com/userguides/docs-index.aspx|user guides]] and [[https://helpcenter.onlyoffice.com/de/video.aspx|video tutorials]] are available online from the developer.