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Detailed list of Libre Office writing aids for over 150 languages.
Multiple languages, support for wide variety of languages (Libre Office Basic, Java Script, Bean Shell and Python).
Professional users as well as users on tablets 10.1 inch are required to have an eligible Office 365 subscription at a monthly fee.
Support in desktop applications differs: "Real-time typing" in MS Word and MS Powerpoint (not supported in MS Powerpoint in MS Office 2016 sales version and not supported in mac OS version; MS Powerpoint 2016 sales version only allows for co-authoring (syncing after saving file).) MS Excel desktop rental version allows co-authoring (not available in MS Excel in MS Office 2016 sales version and not supported in mac OS version).
Simplified "sharing" of office documents in MS Word, Excel, Powerpoint via One Drive, One Drive for Business, or Share Point.
Support of ODF in mac OS version and mobile versions (Android, i OS, Windows 10 Mobile) limited and require the use of an online file format conversion service.
  , detailed image settings, Hybrid PDF, transition effects, extended security and permission options, PDF forms, initial view settings, extended handling of URLs, digital signatures, PDF signatures according to Import of video and audio formats FLAC Audio flac, Flash Video (flv), Matroska Media (mkv), OGG Audio, Ogg Video, Quicktime Video, Web M Video, Real Audio (.ra), Real Media (.rm), Digital Video (.dv), Audio Codec (.ac3), and Ogg Opus (.opus)Not part of Libre Office, referring to alternatives such as Mozilla Thunderbird.
Ports for Android and i OS in development, viewer for Ubuntu Touch: Libre Office Viewer for Android is available.
The Android viewer also contains basic and experimental editing features, more information: Android port wiki, , , , ,.
Libre Office Light for i OS is in development ; more information on i OS port: .
The Document Viewer of Ubuntu Touch is powered by Libre Office Kit and therefore supports viewing most file types supported by Libre Office. Mobile versions for smartphones and tablets with Android and i OS with restricted features set, for 'Windows 10 Mobile' smartphones with heavily restricted feature set.
Highly customizable UI concept "MUFFIN" (): Classic UI with multiple toolbars mode or single toolbar mode with Sidebar panel.
UI concept "Notebook Bar" available in experimental mode ().
This page compares the features of Libre Office 5.4.2 (download) and Microsoft Office 2016 / 365.