Word users range from casual to professional writers. Those involved in collaborative co-authoring can now @mention others in comments. The feature is available in Word and PowerPoint (click to run) and the Office Online apps now and Excel desktop is due to get it too. Documents must be stored in SharePoint Online or OneDrive for Business to allow @mentioned people access the files.
Users of the Office ProPlus semi-annual channel will soon see that save to cloud locations is now the default. Microsoft hopes that this will result in more files being saved in SharePoint Online and OneDrive for Business. Whether the change will make any difference to a user depends on how they use Office and where they save files. In general, it’s just another step forwards to move everything to the cloud.