Apply the freeze panes with all the rows and columns showing.

Then hide what you want.

Aaron wrote:

I have Columns C:M grouped with colapse sign over column B. I freeze panes
at cell C8. At this point it works fine. But when I share the workbook,
close it and reopen it, as soon as I expand the grouping the frozen panes
shift as if I had frozen them at N8. How do I keep the panes frozen at C8?

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Dave Peterson