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How do I get FF to open when I click on view in browser in an email?

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My default browser is set for FF. When I added mhtml files to ff as default, I get about 25 blank pages, not tabs, pages opening in ff The only way to stop that was to remove ff as the default for mhtml files

So how do I make FF the default for opening Outlook emails in a browser? Thanks

My default browser is set for FF. When I added mhtml files to ff as default, I get about 25 blank pages, not tabs, pages opening in ff The only way to stop that was to remove ff as the default for mhtml files So how do I make FF the default for opening Outlook emails in a browser? Thanks

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Please update to the most recent version of Firefox:

Then for the emails, please check to make sure that this is still not happening.