MS Excel
You can auto fit the width of column by

Double clicking on column right border on column header
Double click on the cell pointer in worksheet
Double clicking on the column name on column header
Double clicking on the column left border of column header

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MS Excel
How do you delete a column?

Select the column heading you want to delete and select Insert Delete from the menu
Select the row heading you want to delete and select Edit>Delete from the menu
Right click the column heading you want to delete and select delete from the shortcut menu
Select the column heading you want to delete and select the Delete Row button on the standard toolbar

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