Learn Excel 365 number formatting to create clear, professional spreadsheets. Learn essential tips and advanced techniques ...

Excel rounds off large numbers. To stop Excel from rounding numbers, you have to convert numbers into text. Here is how to do that.

For some data types, such as a date or a percentage, Excel will change a cell's number format automatically as soon as you type it into a cell. Otherwise, there are various ways to change a number ...

Figure B Add a custom format. C3 is empty, so there’s nothing for Excel to do yet, but we know that if the input value is 10 numeric digits, that the format will display the value as expected.

The default active cell format in Microsoft Excel isn't all that easy to see, but you can use this easy-to-implement code solution to change that. Image: PixieMe/Shutterstock ...