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Re. the number of machines, it's something I've encountered as an obstacle from a fair proportion of people I've spoken about password managers to. I think its more a perceived issue than a real one. Just spitballing which systems I would realistically want access to passwords on, at a minimum, includes: personal desktop, personal laptop, tablet(s), cellphone(s), family (parent, sibling, in-laws, etc) computers, office desktop, office laptop. In my case (many cases?), the latter two prevent software installation, so I would need to manually type from a manager synced on my cell. Which really is no different to what is required for 2FA - just a longer character string. Overall, a some setup and synch related inconveniences but not to a damaging degree, which is why I think this is more a matter of perception - once you think through where you're typing passwords it appears less of an obstacle. |
Cellphone and tablet I install the relevant app once and am done.
Either way, web access to the credentials isn't uncommon, though you'll need a device for 2-factor confirmation it's you.
For family devices...I wouldn't want to log into them. I don't trust their security sense and don't want to risk compromising my stuff because of their mistake. Why would I anyway; I have my cellphone on me, at minimum; I can access the account there.