Which is correct?

Can you confirm this?


Can you confirm about this?


Can you confirm on this?

If all are correct then what is the context in which each one can be used?

Please help.

Hello, Mumbojumbo, welcome to the Forums!
I'd say 1 is correct, though I expect you could hear "confirm about something" in some cases.
I agree. Definitely 1 I'd say pieanne.
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i would like to confirm october 31 11:30 am
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