How to fix the error of the Sum function not adding in Excel successfully

One of the common errors is that the SUM function cannot be added, causing a lot of trouble. Please refer to how to fix this error through detailed instructions from Free Download.
 

Fix the error of the Sum function not adding, giving wrong results

Step 1: Open any Excel file or the file you need to fix and click on File .

Step 2: In the Menu, select Options to enter Excel Options.

Step 3: In Excel Options, select Formulas in the Calculation Options section . Now select Automatic mode and then OK again.

After activating the automatic calculation mode, not only the SUM function but also other calculation functions in Excel will work normally. Especially, if you are a beginner with Excel, mastering the calculation functions will help increase work efficiency. You can refer to  other calculation functions in Excel  to get familiar with the spreadsheet.