If it is not possible that you can anonymize the actual file and send it to the earlier given email address then I can't help you.

You wrote:


Yes, I tried your approach as well for completeness. It also did nothing. The file is still 1,628 MB.

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What was Last cell after you did those steps?

Why didn't you unhide?

Have you lost interest in your own question.
Wouldn't it be fair to respond to those trying to help you?

Here is the workbook you uploaded where I have made the steps mentioned i #4 which reduced the file size to 57 kb.

Attached Files

C-B Stripped Down_2.xlsx (56.9 KB, 11 views)