Maybe...

XL: "Cannot Shift Objects Off Sheet" Error Hiding Columns
http://support.microsoft.com/default...b;en-ca;211769

Remember to look for comments and merged cells.

Idaho old guy wrote:

I am unable to insert rows in an existing spreadheet and a new one I just
initiated in a book with multiple sheets. What did I do to cause this and
how do I make it go away?

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Dave Peterson