You can combine two columns in Excel using several formulas and tools available in the software. If the columns that you want to combine are empty, you can use Excel's merge function.

Excel makes this possible by providing a "Share" function that allows multiple users to work on the workbook simultaneously and a "Merge" function that combines multiple copies of the document.

Learn how to use the TEXTJOIN function in Excel. The TEXTJOIN function can be used to combine data from a range of cells using one or more delimiters.