this is really great if i need to manage multiple account of same websites

This Add-on is Excellent, I think it should be embedded on Firefox. I discovered this extension by chance.

Containers is simply amazing for the work that I do. I maintain electronic accounts and services (web, email, domain, etc.) for many different clients. Before containers, I would often need to either log off one account to log on as another, or open several private tabs. Now I keep one container for each client, meaning cookies and session info stay present. Whenever I need to make a change, I simply open that client's container, head to the right service, and everything's already logged on and ready to go. I only wish a) there were more icons to choose from, and b) there was a way to sort container names (not the container tabs, but the container names themselves) in the GUI. But if you handle multiple accounts for the same web sites, this add-on is a godsend.

L'option permettant de lié le site à un conteneur est très pratique.

Must have extension in this day and age.

This one has become a must have. No way I can manage the daily routine without it now.

Helps me visit otherwise privacy intrusive web services.

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A very useful extension.

I never knew I needed this until I used it. This is by far the most important (and practical) extension I have come across, especially if you have separate email accounts for work/home/etc.

Finally I can use multiple accounts instead of openning incognito mode or using other browsers.

Sadly, it still does not support right-click from bookmarks bar.

Easy way to sandbox different accounts. The ability to keep personal, work and other sites separate from each-other is awesome.

super pratique!

If you're in a container (let's say Google) and you click on a link to another page, you'll remain in that container. There should be an option to disable this feature. Other than that, everything seems fine!

Now Office 365 using multiple accounts is not painful to manage on a daily basis.

Best thing to happen to Firefox since the Private Tabs addon doesn't work anymore! It's a bit complicated to make the addon learn the domain rules. But it works. Combine it with the addon Cookie AutoDelete! That basically gives you private tabs instead of having to open private windows.

Great extension!

It's so good, it's literally one of the biggest reasons why I use Firefox over Chrome.

Very useful

This addon is fantastic at what it does, however it has a fatal flaw... If you open up Firefox Nightly it's disabled and that's fine. When you go back to Firefox, all your containers are reset having the wrong names, colors, icons and and often a loss of data for some of the containers. It's really frustrating and I literally have to back up my profile every time I open nightly and restore it after finishing just to prevent this problem. PLEASE FIX THIS!!!!

I also have a suggestion to have a way to manage/review the data for each container. Possibly let us have history management for individual containers?? Especially options of whether to merge pages browsed with trunk history all the time as it is now, to have a separate history, or to not save history for each tab. It would be really fantastic to even be able to import/export the profile data for a container and choose which ones to include with Firefox Sync!!