Merge Sheets to a new or existing file Merge Multiple Excel Files While the functions we will use here will allow you to move sheets, I recommend copying.

Learn how to combine Excel files with different sheet names using Power Query. Save time, reduce errors, and automate your data consolidation ...

If Excel prompts you to save the save the file, click "Save" to continue. The "Select Files to Merge into Current Workbook" dialog window opens and displays a list of your Excel files.

Diff and merge text files Not only can WinMerge detail differences in file listings, but it can also visually identify differences within files it can understand, like text files.