It is a simple desktop application for Office365 of the web version for linux
This simple application is used to have an Office 365 outside its PWA version or open a thousand tabs and without having to depend on browsers such as Chrome or Opera to be used, also being able to have a web office in the form of application for the use of the main office applications such as
Enable snaps on Linux Mint and install Office365WebDesktop
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap is available for Linux Mint 18.2 (Sonya), Linux Mint 18.3 (Sylvia), Linux Mint 19 (Tara), Linux Mint 19.1 (Tessa) and the latest release, Linux Mint 20 (Ulyana).
You can find out which version of Linux Mint you’re running by opening System info from the Preferences menu.
On Linux Mint 20, /etc/apt/preferences.d/nosnap.pref needs to be removed before Snap can be installed. This can be accomplished from the command line: