Every step below is from an official source
Switch from LastPass to 1Password
What to do at LastPass 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 LastPass, before you leave
Export your vault from the LastPass websiteBefore
Log in on the LastPass website, open the Account tab, then go to Fix a problem yourself > Export vault items. In the previous layout, go to Advanced Options > Export.
How do I export my vault data while logged in via the LastPass website?LastPass. ReviewedConfirm the export from the verification emailDuring
LastPass emails you a Verify export message. Click Continue export in that email within 10 minutes, then go back to your vault and run the export again.
How do I export my vault data while logged in via the LastPass website?LastPass. ReviewedAllow pop-ups so the CSV file downloadsDuring
After the export, your sites and secure notes show in a browser page. If LastPass pop-ups are not blocked, a CSV file with your vault data also downloads.
How do I export my vault data while logged in via the LastPass website?LastPass. ReviewedNote that TOTP codes are not exportedBefore
LastPass does not support exporting the one-time passcodes (TOTP) you generate inside your vault.
How do I export my vault data while logged in via the LastPass website?LastPass. 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 LastPass 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.