You can enable the Tab Groups experimental flag in Microsoft Edge to allow users to organize tabs into visually distinct groups, e.g. to separate tabs associated with different tasks.
Tab Groups includes the following features:
Starting with the Microsoft Edge Canary 89.0.722.0 version , you can now enable the Tab Groups Collapse experimental flag in Microsoft Edge to allow a tab group to be collapsible and expandable, if tab groups are enabled.
If you enable Tab Groups Collapse, you can click/tap on the tab group name to toggle collapse and expand of the tab group.
This tutorial will show you how to enable or disable Tab Groups Collapse in the Chromium based Microsoft Edge in Windows 7, Windows 8, or Windows 10.