The second column cells have a style applied called "FT # Border 1" which is a clue pointing to a style setting. There is local formatting on the first two cells which turns off that border. When I select the second column cells and press Ctrl-Space and Ctrl-Q I can see plenty of things happen because that gets rid of local formatting and restores the cells formatting to match the applied style's attributes.

If you wanted the formatting of the cells to match the formatting you wanted (eg. the cell with "1" in it), you can:
1. Show your Styles Pane by pressing Alt-Ctrl-Shift-S
2. Put your cursor in the cell with the desired formatting
3. Right click on the style called "FT # Border 1" and choose "Update FT # Border 1 to Match Selection" to change the style definition
4. Select the cells in column 2 and press Ctrl-Q and Ctrl-Space to get rid of local formatting

You will see that the cell which says 3 actually has a different style applied to it and you can either modify that style too or apply the new improved style.

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Andrew Lockton
Chrysalis Design, Melbourne Australia