↑ Click on the rectangle button located at the top-left corner of the screen to select the entire document. ↑
↑ To select all the empty spaces, we can use the "Data Filter" tool located under the "Data" label. ↑
↑ Click one of the buttons with a downward-facing triangle on it to bring up this menu. ↑
↑ Now we can click the ‘Empty’ label, and then select the ‘Show only the current item’ option to display only the empty areas in our document. ↑
↑ Make sure to deselect the areas on line 1, then select the rest of the document and right-click > Delete. ↑
↑ This will bring up the "Delete Cells" window. Select "Delete entire row(s)."" ↑
↑ The empty rows have now been removed from the document. To restore the other rows, click the button with the downward-facing triangle again, select all rows with values, and then click OK. ↑
↑ And voilà! ↑
In Excel, if you select a group of cells, type what you want, and press CTRL + Enter, all the selected cells are populated with the same value. This is especially handy if you want to generate ID numbers for your Anki decks. How can we do this in LibreOffice? In LibreOffice, filling rows with incremented numbers works a bit differently, but it’s not difficult at all! Here's how it's done!
↑ Select the rows you want to populate, then go to "Sheet > Fill Cells > Fill Series." ↑
↑ Since my starting point is the second row and my ending point is the 11th row, I type these numbers accordingly and increment by 1. ↑
↑ And the result! ↑