Where is the "FIND" in the Compatibility Checker.

Some of the formulas in this workbook are linked to other workbooks that are
closed. When these formulas are recalculated in earlier versions of excel
without opening the linked workbook, character beyond the 255 character limit
can not be returned.

The help portion of excel instructs to do the following to resolve! In the
Compatibility Checker, click Find to locate cells that contain array formulas
that refer to another worksheet, and then make the necessary changes to avoid
#VALUE! errors.

Can anyone walk me throught the steps so that I can correct and remove the
links - how do I find where the links are