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How do I change form fill information?

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So when I am filling out webforms in Firefox I can click on a field like " email " and my email is in the options I can choose but another email is there that I don't use. How do I delete the email I do not use from showing up in the form field menu?

I hope you can understand my question . I fill out a form I see a black space in " email " field ... I click on that black field and I can choose what email I want to fill the form with. I want to delete the email there that I do not use. I know on some browsers you can just put the cursor one you want to delete and press delete key but this does not work in Firefox.

So when I am filling out webforms in Firefox I can click on a field like " email " and my email is in the options I can choose but another email is there that I don't use. How do I delete the email I do not use from showing up in the form field menu? I hope you can understand my question . I fill out a form I see a black space in " email " field ... I click on that black field and I can choose what email I want to fill the form with. I want to delete the email there that I do not use. I know on some browsers you can just put the cursor one you want to delete and press delete key but this does not work in Firefox.

Chosen solution

To remove individual entries from Firefox, click on the form field, press the down arrow key and press the delete key when you are on the email that you want to remove.

More information can be found in the Control whether Firefox automatically fills in forms support documentation.

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Chosen Solution

To remove individual entries from Firefox, click on the form field, press the down arrow key and press the delete key when you are on the email that you want to remove.

More information can be found in the Control whether Firefox automatically fills in forms support documentation.

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OMG so simple ! I feel like a complete doof

Thanks!