To fix DataFormat.Error, We couldn't convert to Number, when working with data in Power Query, whether in Excel or Power BI use these solutions ...

How to convert time values into decimal values in Excel Internally, Excel stores the time as a decimal value. The quickest way to see that time value is to change the format.

That’s where Excel macros come in. You can use macros to automate repetitive tasks, which can save you a lot of time and effort. What is an Excel macro?

Want an easier way to share your spreadsheet or workbook with non-Apple users? We’ll show you how to convert Apple Numbers to Excel on Mac, iPhone, and iPad.