Excel may return a serial number instead of a date; because it is stored thus in the backend. Learn how to convert Serial Number to Date.

Warnings Excel will only produce binary numbers with up to 10 bits. This means that it can only convert decimal numbers greater than -513 and less than 512.

Excel gives you tons of options for editing, but what if your file is a PDF? Here's how to convert a PDF into an Excel file with ease. Just follow these steps.

Learn how to convert & open .numbers file in Excel on Windows using Numbers tool for Mac or Online Numbers file conversion tool like Zamzar or CloudConvert.

You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.