The Autosum function can be used to add or sum Time in Microsoft Excel. You can add hours and calculate the total time in Excel.

You can't use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here's how to sum only the values that meet your filter's criteria.

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

How to Count Hours Worked in Excel. Excel has a number of formulas that enable you to count the time between two dates. You can specify that you would like to count the difference in hours by ...

How to Sum a Column of Zeros in Excel. You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of ...