That's Impossible!

That's impossible...I just deleted it! How can it turn up in your email?

Turn up – turned up – turned up

Meaning: If something turns up, it arrives, happens or occurs.

Grammar: This phrasal verb doesn't usually take an object.

He turned up at 6 o'clock

He turned up it - NOT CORRECT
He turned it up - NOT CORRECT

Example sentence: I looked all over the house for my keys: they finally turned up in my office!

Synonyms: appear, arise, happen, occur, crop up, pop up, come up

From: BBC Learning English - http://www.bbc.co.uk/worldservice/learningenglish/