To give an Excel macro "Save As" functionality, you can use the Excel VBA GetSaveAsFilename function. This is part of the "Application" group of functions, since it is part of Excel's core ...

How to Save an Excel Spreadsheet to Your Desktop. Your computer's desktop is often the easiest and most convenient place to store files, especially those you use often.

How to save and print a spreadsheet in Excel. Your workbook can be saved to your computer or the cloud. By default, Excel uses AutoSave, which constantly saves your work to OneDrive.