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Have questions about Yahoo Mail storage? If you received an email about upcoming updates to mail storage and have questions about checking storage, how to free up space, and more, read our Yahoo Mail storage help page.

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Locate a forgotten Yahoo ID

If you forgot what your Yahoo ID is, find it with our Sign-in Helper. We'll use the account's recovery information to help locate your ID.

  1. Go to the Sign-in Helper.
  2. Enter one of the account recovery items listed in the Sign-in Helper.
  3. Click Continue.
  4. Follow the instructions given in the Sign-in Helper.
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