Please see below guides on how to backup your seed phrase and private keys. Always aim to backup both.
All For One
Metamask - Seed Phrase
- Navigate down to Settings > Security & Privacy.
- Scroll down, and click on the button that reads "Reveal Secret Recovery Phrase".
- Enter your password to reveal your Seed Phrase / Secret Recovery Phrase.
Metamask - Private
- Click on the identicon ( 3 dots ) in the top right.
- Select the account you'd like to export.
- On the account page, click on the menu (three dots) in the upper right corner, and then on the "Account Details" button.
- Click “Export Private Key”.
- To access your private key, you'll now need to enter your wallet password. Once you've done so, click “Confirm” to proceed.
- Your private key will now be revealed. Click to copy it, and save it somewhere safe. (Note: we aren't showing it in the below screenshot for obvious reasons -- but yours will be there.)