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.

There are many ways of merging cells and columns in Excel. If you need to merge multiple cells without losing data, try merging cells in Excel using the Concatenate function.

We need to briefly cover what happens when you merge several cells in Excel or Google Sheets. Or, more specifically, what does not.

You can sum cells across multiple sheets in Excel. This article presents steps for Adding single-cell values or Adding values in the range of cells.