CSV files. In Linux, we can use the command stack. You can find out how in this post: How to do an easy command line work in Linux. When you start typing the stack command, simply press Enter twice. A pop-up will appear: If this pop-up doesn't appear, then it's because you don't have a command line. Look at your terminal and see if you see A pop-up will appear if you don't have command line in Linux The stack is very useful for merging files using CSV file with CSV file If you do have a command line, it's simple and straightforward. As for the stack, all you need is a column header — the way you would add columns in Excel is to use the column names, where you want to place columns and the way you would specify the columns is to simply type " “. When you hit Enter after clicking on an element, Windows will open the columns in Microsoft Excel, in this case the first column being 1 and the second column being 2. The first column has the names of the columns, the second column the columns themselves and the third column the contents of the first column. Now you can merge the first two .csv files together with the stack. As you can see, you can merge and sort any kind of files by simply looking to see if they do have the same number of columns with any. How to Merge multiple CSV files into one in Windows 2. Press Shift + right-click and choose Copy as path. 3. Navigate to the folder with the CSV files in Excel. Open the Windows Command prompt as Administrator. Merge multiple CSV files in Windows using the stack 4. To merge the rows of the two tables together use cmd, and the name of the first table will contain the name of the second table; this way you can use the stack to merge them. 5. If you'd rather sort the columns as you add them, use the merge function in Excel. Enter a comma-separated list of columns or numbers in cells A4 & B4. 6. Now, drag the headers of the first one to the second one. 7. The merge functions in Excel will now sort the columns of the two tables as you added them, and merge the new rows into the merge tables.