If the door handle has exterior screws that you can see use a drill or screwdriver to undo these.
How to unlock a bathroom door handle.
When this happens a bathroom will be empty but locked.
Once the screws are undone place the screwdriver into the lock mechanism of the door handle and twist it gently to undo the lock.
Remove the door handle if you cannot unlock the door otherwise.
How to unlock your push button bathroom door lock push button locks generally present on the outside of the door as a small round hole centered in the middle of the knob.
Make sure the pick is small enough in diameter to fit inside the hole and long enough to access the release trigger.
This type of lockout will sometimes happen at the worst possible moment such as when there is a house full of people.
Just insert the screwdriver into the small hole and press the button on the inside of the handle with it to unlock the door.
It s all too easy to accidentally lock a bathroom door and closing it behind you without noticing.
For the round hole straighten a wire coat hanger or paper clip to unlock the door.
To pick this kind of lock select a bobby pin or straightened paper clip.
You may need to turn the screwdriver in order for the door to unlock.