Final answer:
In Microsoft Excel, the 'Save As' command lets the user save the worksheet with a new name or in a different location. Within this command, you can choose to save your file as an XLS format.
Step-by-step explanation:
The 'Save As' command in Microsoft Excel allows a user to save an existing worksheet with a new name or in a new location. You can access this command under the 'File' tab. For example, after clicking the 'File' tab, by then selecting the 'Save As' option, a window will open that gives you the ability to rename your file or choose a different location to save it (either locally or on the cloud). In the mentioning process, you can also select to save it in the XLS format.
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