How to migrate form 12 to 24 words seed phrase in Blockstack Wallet app

When trying to install the Blockstack Wallet for Mac, it requires 24 words seed phrase, while my (existing) account has been created with 12 words seed phrase. How can I reuse my account in the Blockstack Wallet?

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Did you get your 12-word phrase by signing up for the Blockstack Browser? Or by previously creating an address with the Stacks Wallet software?

If you have a 12-word phrase from the Blockstack Browser, that will not work with the Stacks Wallet. You’ll need to create a new address with the Stacks Wallet software and save your 24-word phrase as part of that process.

Our wallet documentation is here: