ONLYOFFICE Docs v6.4 with conditional formatting, new scaling options, and WOPI protocol support
ONLYOFFICE Docs v6.4 released

Shortcut key to access Tabs

Shortcut for File tab is Alt+F
What are shortcuts to access other tabs Home , Layout , Insert etc

Hello,
Right now there are no such shortcuts, but in the upcoming version 7.0 of the Document Server and Desktop Editors it will be possible to navigate all toolbars with Alt+Key combinations.