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New private window remembers office.com login credentials from previous window

Posted

I have to do administration work in several Office.com tenants. When using Safari I am able to start a new private window, visit office.com and forced to provide login credentials. With this I can be logged in to multiple tenants at one time. This is expected behavior.

When I open a new private window (FireFox 69.0) and go to office.com the login credentials I am currently using are remembered from my previous private window, and I am already logged in to office.com in the new private window. This is not expected behavior.

If I understand things correctly every time I start a new private window I should be required to provide credentials each time I visit office.com for the first time in that new private window. Right?

I have to do administration work in several Office.com tenants. When using Safari I am able to start a new private window, visit office.com and forced to provide login credentials. With this I can be logged in to multiple tenants at one time. This is expected behavior. When I open a new private window (FireFox 69.0) and go to office.com the login credentials I am currently using are remembered from my previous private window, and I am already logged in to office.com in the new private window. This is not expected behavior. If I understand things correctly every time I start a new private window I should be required to provide credentials each time I visit office.com for the first time in that new private window. Right?

Chosen solution

hi, firefox doesn't isolate private windows among each other - they share the same cookies & login states.

if you want to log-into the same site with different accounts, mozilla's container addon is the right tool for the job: https://addons.mozilla.org/firefox/addon/multi-account-containers/

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Additional System Details

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Extensions

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  • Bing 1.0 (bing@search.mozilla.org)
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  • eBay 1.0 (ebay@search.mozilla.org)
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philipp
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5306 solutions 23424 answers

Chosen Solution

hi, firefox doesn't isolate private windows among each other - they share the same cookies & login states.

if you want to log-into the same site with different accounts, mozilla's container addon is the right tool for the job: https://addons.mozilla.org/firefox/addon/multi-account-containers/

hi, firefox doesn't isolate private windows among each other - they share the same cookies & login states. if you want to log-into the same site with different accounts, mozilla's container addon is the right tool for the job: https://addons.mozilla.org/firefox/addon/multi-account-containers/
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