Forum Discussion

Fichte's avatar
Fichte
New Contributor
1 year ago

Importing from Bitwarden fails

I have rather large Bitwarden vault with 1500 entries, mostly logins but also secure notes, serials and credit card informations. Many use additional custom fields. When I follow the instructions an...
discussion
macos
vault management
aaravchen's avatar
aaravchen
New Member
2 hours ago

Still completely broken. If I can't import my existing vaults, I can't use 1Password.

For reference, this is the specific message it says to post to support:

Unable to import.

  • Unsupported Bitwarden export (kdfType: 1). Please contact support and attach this error message.

Error Code:

Session: KKHPERPBHFEORHVZLJGPW3N4LM

Time: 2026-05-17T01:19:15.770Z

At a guess, the Bitwarden KDF type is included in the JSON for some reason, and if you're using Argon2 (which you better be because PBKDF2 has been broken for almost 3 years now!) 1Password fails.