Web Reference: Jun 23, 2023 · Open your Excel workbook and press Ctrl + A to select all the cells in your sheet. From the drop-down menu, select Format Cells. In the Format Cells dialog box, select the Protection tab and uncheck the box next to Locked. This will unlock all cells. Click OK to apply the changes. Jan 10, 2019 · A - Select every populated column left of the point you want to insert your new column. (So do not select any of the columns to the right of your last columns that contains anything.) Jul 25, 2023 · How to fix Microsoft Excel not letting you insert new cells If you get an error while inserting cells into an Excel spreadsheet because it would push non-empty cells off the end, you can use these 6 solutions to actually fix the problem.
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