You have a frozen Mac app or an OS X freeze. A program stops responding or worse, the macOS (or OS X) itself refuses to do anything but stare at you, blankly. Imagine this: you’re working happily on your Mac when the dreaded beach ball of death appears. That way, I can see the first row and first column at all times even when I scroll. I need to freeze the first row and also freeze the first column. Question: In Microsoft Excel 2011 for Mac, I have a spreadsheet with column headings. Freeze Top Row And First Column Excel For Mac Mozilla Thunderbird 45.8 Download For Mac. You can delete a row or column only if all of its cells are empty. Click in the top-right corner of the table to add a column, or drag it to add or delete multiple columns. Do any of the following: Add or delete a row or column at the edge of the table: Click in the bottom-left corner of the table to add a row, or drag it to add or delete multiple rows.