Powerpoint 2010 - where is update link

[jha900]

For the life of me i can't find where to change my links to Excel charts in my powerpoint 2010 file. It used to be in "prepare" in ppt 2007, now i can't find it. I have a ppt 2010 document that has links to an excel 2010 file, but i want to change the links to another file but i can't find where to do it. Help. Thanks

[JohnWilson]

Two "Gotchas"

1. It's well hidden and
2. it only shows after the file has been saved.

If you have saved the file FILE > Info
Look in the right hand pane near the bottom in very small print!