Professor Excel

XLSX, XLSM or XLSB: Which File Type Is the Best for You?

Probably 99% of all Excel workbooks are saved in the XLSX file type these days. But there are various other file extensions available: For example XLSM, XLSB or “older” Excel users might still remember the XLS file type. What are the differences of these file types? And even more important: Which one should you use?


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Study: What Really Helps to Reduce the File Size of Your Excel Workbook

You’ve just finished your work and want to send your file to your boss. He is waiting for it. But instead of sending the email, you just receive and error: The file size is too large. This is the moment you tell yourself not to panic. And actually there is no reason to panic. There are many ways to reduce the file size of your Excel workbook.


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How to Reduce the File Size of an Excel Workbook

Excel workbooks usually have an acceptable file size. But sometimes, they are unreasonably large. There are several reasons for a big file size coming with different ways of how to reduce it. Depending on the contents of your Excel workbook some methods will work better than others. So, let’s try them one by one.