Every step below is from an official source
Switch from LastPass to Dashlane
What to do at LastPass before you leave, what Dashlane 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 Dashlane, when you join
Import a CSV file from another managerDuring
You can use a CSV file to move your data into Dashlane from other password managers.
Import your data into DashlaneDashlane. ReviewedUse Credential Exchange on newer Apple devicesDuring
On iOS, you can move data in from Apple Passwords, 1Password and Bitwarden with Credential Exchange. It needs iOS 26 or macOS 26 or later.
Import your data into DashlaneDashlane. ReviewedExport as CSV, not a special format like 1PUXBefore
Dashlane can't import special file types made by other password managers, such as 1Password's 1PUX file.
Import your data into DashlaneDashlane. Reviewed
Then: everything else the switch affects
The steps above are what LastPass and Dashlane 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.