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We consider security a top priority. We sent an email that we're updating our authentication policies around third-party email access to better protect Yahoo Mail accounts. You may need to update your account settings in third-party programs to use a more secure approach. Read our help article for more information.

Reset your browser back to default settings

If you've tried all the options in our browser troubleshooting article and Yahoo still isn't working, resetting your browser resolves most issues. When you reset your browser, it deletes your bookmarks, removes enhancements, and clears temporary internet files. If the issue persists after resetting your settings and only occurs in one browser, contact the browser developer for further support.

  Important - Be sure to save a copy of your bookmarks before you reset the browser.