How to save a document on Microsoft Excel?
1. Click on the 'File' tab.
2. Click on 'Save' or 'Save As'.
3. If you are saving the document for the first time, choose 'Save As' and select the location where you want to save the document.
4. Enter a name for the document in the 'File name' field.
5. Choose the file format you want to save the document in.
6. Click on 'Save' to save the document.
7. If you have already saved the document before, click on 'Save' to save any changes made to the document.