auto hide unhide in grey rows above how did I manage this

R

rayrook

I have 2 grey lines above the grid which if you click on the minus auto hides
columns.
If you click on the plus it auto unhides them.

I did this accidentally how did I do it and how do I undo it
 
V

Vergel Adriano

1. Click on + to unhide the columns.
2. Select all the columns in the "group"
3. Data->Group and Outline->Ungroup
4. Select "Columns" in the dialog that pops up
 
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