Every step below is from an official source
Switch from Bitwarden to 1Password
What to do at Bitwarden before you leave, what 1Password needs when you join, and everything else the switch touches. Your full plan is built in your browser and stays there.
Official sources reviewed . How we review sources
At Bitwarden, before you leave
Export from the Bitwarden web appBefore
In the web app, select Tools, then Export, and choose what to export. Pick .json, .csv, encrypted .json, or .zip with attachments, then confirm with your master password or an email code.
Export vault dataBitwarden Help Center. ReviewedKnow what Bitwarden exports leave outBefore
No export format includes trash items or Sends. Individual vault exports do not include items owned by an organization.
Export vault dataBitwarden Help Center. ReviewedUse .json to keep cards, identities and passkeysBefore
Only .json exports include cards, identities, stored passkeys and SSH keys.
Export vault dataBitwarden Help Center. ReviewedProtect and delete an unencrypted exportAfter
Unless the export is encrypted, don't store or send it over insecure channels like email. Delete the file right after use.
Export vault dataBitwarden Help Center. Reviewed
At 1Password, when you join
Import directly from LastPass in the desktop appDuring
On a Mac, select File > Import > LastPass from the menu bar, then enter your LastPass details. On Windows, select the ellipsis menu, then Import > LastPass.
Move your data from LastPass to 1Password in the desktop app1Password. ReviewedNote what a LastPass import leaves behindBefore
Passkeys are not imported from LastPass. Shared folders can only be imported by someone with administrator privileges in that shared folder.
Move your data from LastPass to 1Password in the desktop app1Password. ReviewedImport from Chrome, Bitwarden and other appsDuring
1Password can import from browsers including Chrome, Firefox, Edge, Brave and Safari, and from apps including Bitwarden, Dashlane, Keeper and LastPass. It also accepts CSV files from other apps.
Move your data from other applications to 1Password1Password Support. Reviewed
Then: everything else the switch affects
The steps above are what Bitwarden and 1Password say. Your full checklist adds the accounts, codes, payments and devices that depend on your password manager, in a safe order. It's built from your answers, in your browser.