For the majority of my clients who use this kind of system, it is totally dysfunctional.

Most of the records are incorrect, my guess is that they occasionally reset the password on mobile while the book is inaccessible and then don’t remember to update it in the book later.

Effective use relies on the user’s understanding of umbrella accounts. I’ve had users have separate written entries for “Office”, “Skype”, “Hotmail”, and “Windows” because they don’t understand those things are all one Microsoft Account.

As passwords get updated, it can become a mess of crossed out records with new ones squished into the margins. When a someone dies, anything written illegibly can be difficult for surviving family to discern. As the book gets filled out, it can get tricky to keep things alphabetized unless the user provisioned additional empty space between records.

This system can work great for someone who is meticulous, neat, and organized.

For your average person, I’ve had better luck solving the problem with a password manager synced to an online account that is protected by MFA and has recovery options that are also protected by MFA.