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Yahoo! Search Bar is Gone after refreshing Firefox

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Before I refreshed Firefox, I always had a blank Yahoo! search bar at the top of any page. It was very useful but it's gone and I don't know how to get it back. Can someone help me with this?

Before I refreshed Firefox, I always had a blank Yahoo! search bar at the top of any page. It was very useful but it's gone and I don't know how to get it back. Can someone help me with this?

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It sounds like something that would have been injected by an add-on. You might be able to find it again on the Add-ons site by searching for Yahoo:

https://addons.mozilla.org/firefox/search/?q=yahoo&type=extension

Another option would be to double-click into the Old Firefox Data folder on your desktop. The Refresh should have moved your entire old settings folder here. It will have a partially random name like "3rtz45b1.default-release". Double-click into that folder and look for extensions.json, a settings file which contains a list of the extension installed in that profile.

JSON format is hard to read, but if you drag and drop the extensions.json file into a Firefox tab, Firefox will show its contents in a structured viewer that is less annoying to read. I also have an online tool to extract the most relevant data into a table, if you want to try it: https://www.jeffersonscher.com/ffu/extensionsjson.html

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Or... just in case you meant Firefox's optional Search Bar that appears alongside the main address bar, see:

Add the Search bar to your Firefox toolbar

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There are several Json files and I have no idea which to choose. All I know is that all the icons that used to show up on the top of the page are no longer there or differently formatted.

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The file's name is exactly this: extensions.json

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bold text Found the file but when I click on it, I cannot figure out what to do with it. Can you please advise?

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To view the contents of the extensions.json file, you can either drag-and-drop it into the body of a Firefox tab or drop it into my tool at https://www.jeffersonscher.com/ffu/extensionsjson.html