28
How do you handle your passwords?
(beehaw.org)
All about open source! Feel free to ask questions, and share news, and interesting stuff!
Community icon from opensource.org, but we are not affiliated with them.
Bitwarden has an import tool. You should be able to convert your spreadsheet into the format they like and import relatively easily.
For backups, you can create encrypted backups through bitwarden. So it shouldn't matter if synching itself is a secure process as what your syncing is already encrypted.