Every step below is from an official source
Switch from Dashlane to Google Password Manager
What to do at Dashlane before you leave, what Google Password Manager 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 Dashlane, before you leave
Export to CSV from the Dashlane web appBefore
In the web app, open the Vault menu, select Settings, then Export data, then Export to CSV. Dashlane downloads a ZIP file to your computer.
Export your Dashlane data to a CSVDashlane. ReviewedKnow what a CSV export leaves outBefore
Passkeys, attachments on Secure Notes, and 2FA tokens can't be exported to a CSV file.
Export your Dashlane data to a CSVDashlane. ReviewedMove passkeys with Credential Exchange insteadBefore
Passkeys can move between Dashlane and Apple Passwords, 1Password, Bitwarden and some other apps. They can't go in CSV files or DASH backups.
Can I share, import, export, or back up passkeys with Dashlane?Dashlane. ReviewedDelete the CSV files when you finishAfter
CSV files aren't encrypted and others can read them. Dashlane recommends deleting the CSV file from your device when you are done.
Export your Dashlane dataDashlane. Reviewed
At Google Password Manager, when you join
Import a CSV file at passwords.google.comDuring
Go to passwords.google.com, select Settings, then Import, then Select File. Choose your file and select Import. Only .CSV files can be imported.
Import passwords to your Google Account - Google Account HelpGoogle. ReviewedImport up to 3,000 passwords at a timeBefore
You can import 3,000 passwords at a time. Your Google Account can store up to 10,000 passwords.
Import passwords to your Google Account - Google Account HelpGoogle. ReviewedDelete the CSV file after importingAfter
After the import, delete the .CSV password file. Otherwise anyone with access to the device can open it.
Import passwords to your Google Account - Google Account HelpGoogle. ReviewedSearch by site name for missing passwordsAfter
Not all app and site names move into the right field. If you can't find an imported password, search for the app or site name.
Then: everything else the switch affects
The steps above are what Dashlane and Google Password Manager 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.