Okay, I found this article on how to over-ride the number column formatting (for number columns that won't center).

1. Select the entire column
2. Select the Data tab
3. Press the Text to Columns button under Data Tools.
4. For Step 1 press Next.
5. For Step 2 press Next.
6. For Step 3 select Text as the Column data format, and then press Finish.

By the way, columns (and their headings) containing integers are supposed to be centered. Columns containing decimal quantities are aligned on the decimal points. That's why Peter needs to hire a technical writer smile.

P.S. The procedure in this post is copied and pasted from the internet. It is also formatted completely wrong. I was too busy to fix it completely smile.

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