You can't. JPG is pictures, excel is a worksheet with names and numbers. You might be able to turn an excel-file into a JPG, but then you would no longer be able to do calculations in the worksheet.
To change a file format from ARW to JPG, you can use image editing software like Adobe Photoshop or online converters like Zamzar. Simply open the ARW file in the software or upload it to the converter, then save or download the file in JPG format.
.html is not an image file, so it can't be converted to .jpg unless the .html file has images in it, in which case you would show extensions and then click in the name box and change .html to .jpg
yes
That will depend on what you want to do. If you are in Excel saving as a standard Excel file, you don't need to change the file type. It is only if you want to save into a different format, that you would change the File Type. What you change it to, would depend on what you need. You might want to change to a different version of Excel or maybe into a completely different format, such as a text file. If you are working in a different application, saving something to be used in Excel, then again it will depend on what format you actually need.
To convert a JPG file to a RAW file, you will need to use specialized software or tools designed for this purpose. One common method is to use Adobe Photoshop or Lightroom to open the JPG file and then save it as a RAW file. Keep in mind that the conversion may result in some loss of image quality, as RAW files contain more data and information than JPG files.
It depends on your file system. Some filesystems are CASE sensitive but typically JPG and jpg are the same thing.
.jpg is a picture format.
Just change the extension (Rename).There is no difference between jpg and jpeg as file types ot kind of information they contain.
Show extensions and then click in the name box and change .jpg to .html you will then be able to open your image file with your internet browser.
To change a photo's content type to JPG, you can use an image editing software or an online converter. First, open the image in the software, then select the "Save As" or "Export" option. Choose JPG or JPEG as the file format, adjust any quality settings if needed, and save the file. Alternatively, you can upload the image to an online converter, select JPG as the desired format, and download the converted file.
you should use software coverter jpg to pdf, you can search with keyword jpg to pdf on google
Get someone else to do it, preferably someone who knows how.