let yourself out

[Saneta]

I will let you in and you can let yourself out.

you can let yourself out= you can go out?

thanks

[Dozy]

"you can let yourself out" means that you can leave the building without any assistance from anyone else. It's usually used when the speaker is excusing themselves from seeing someone out (which may otherwise be done as a courtesy), and/or confirming that the other person is in a position to deal with any issues such as keys to open and lock doors etc.