A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Faysal is correct that you cannot save an Excel workbook file as a JPEG (or any other image file type). However, there is no need to involve any other software unless you choose to do so...
- Select the actual range of content
- Click the ▼ on the edge of the Copy tool, then select Copy As Picture
- Paste the picture into the blank area of a worksheet
- Right-Click the newly pasted picture
- Select Save as Picture, then choose JPEG as the Save as Type