Adjust columns and rows / Adjust row height

Adjust column width

Place the cursor on the divider between the A and B column headers.

It should turn into a double-arrow:

Drag the divider to the left to make column A narrower.

Some of the cells should display ##### signs:

TIP: This means the column is too narrow to display the cells' contents.

Drag the divider back to the right until you can see the contents of the cells in column A:

Double-click on the divider between the G and H column headers.

It will make column G as wide as it needs to be to display all the contents of cells in that row:

Adjust row height

Click the box in the corner at the intersection of the column and row headings:

This will select the entire worksheet:

Place the cursor on the divider between rows 4 and 5.

It should become a double-arrow.

Drag the divider down.

This will make all rows taller:

In the Title Bar, click the icon.

The worksheet should return to normal row height.
Click the worksheet to de-select it.