Bring all tabs into TabPackerjust click on the TabPacker icon in the top right side next to address bar.
Double-click icon: Tab Packer
Single-click icon: Open Tab Container
Shortcut keys
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TabPaker = Alt + P
**Change shortcut keys
Just open the extensions page
scroll to the bottom of the page and click "Configure commands".
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By clicking the TabPacker icon all the tabs will convert into a list, and will be available in a single tab.
When you need to access the tabs again, you can either restore them individually or all.