Where does 1Password for iOS take the accounts list from?

I found that I can remove an account from the list by long-pressing it, I'm not sure how I missed that. But I'd still like to know where 1Password takes the list of accounts to suggest before I provide any info to it and how can I fully remove device data when reinstalling the app.

@mgol

Encrypted copies of your Secret Key are stored in your device keychains to provide data loss protection. If you have iCloud Drive enabled and lose your Mac, iPhone, or iPad, you can restore from a backup and unlock 1Password with just your Password.

how can I fully remove device data when reinstalling the app.

All data is removed during the uninstall. For all intensive purposes you see a bookmark where you'll need to enter your account password. No data is available unless you add the account using the account password.

I found that I can remove an account from the list by long-pressing it,

This is the correct method should you wish to remove that entry. If you sign into the account again the entry will be recreated for safe keeping. There is no way to disable this functionality.

⚠️ If anyone finds this posting please exercise caution and ensure you do not remove your only reference to the Secret Key. Always make sure you have a backup copy.

🚒 Get to know your Emergency Kit

All data is removed during the uninstall.

Not all data, that was my point. After reinstalling the 1Password app, opening it and clicking "Add an account", I am presented with a list of accounts I previously had enabled. This shows up before I provide any login or password. I'm asking where 1Password takes this data from and how to delete it.

@mgol

I mentioned that.

Encrypted copies of your Secret Key are stored in your device keychains to provide data loss protection. If you have iCloud Drive enabled and lose your Mac, iPhone, or iPad, you can restore from a backup and unlock 1Password with just your Password.

This is the intended behavior and working as expected.

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If you wish to remove an entry this is the correct method.

I found that I can remove an account from the list by long-pressing it,

Can you point me to where you mentioned that? I just see you mentioning a secret key is being kept in keychain. Is that related to a list of accounts?

I'm sorry if it was not clear. You can't have a Secret Key without a membership, and all memberships have a Secret Key. To help ensure you supply the correct Secret Key to to the correct account other details like the email in use and the url e.g. https://my.1password.com are also saved. In essence this is the account listing you see. With those three items + your account password you can do the following.

unlock 1Password with just your Password.