The good old Datasheet view, now available in SharePoint 2013/2016!
In SharePoint 2013/2016 the Datasheet view was replaced with the new Quick Edit option which works now in all browsers (since it is no longer using ActiveX). However, the new Quick Edit mode does not support all the "Excel-like" features that many of the end users got used to in SharePoint 2010.
That's why we've created the "Datasheet view for SharePoint 2013/2016":
After you install and deploy this add-on, you'll be able to bulk-edit your lists using the good old Datasheet view, in addition to the new Quick Edit mode.