Create a Rolling Total in Excel

It’s easy to create a running total in Excel, and show the accumulated amount in each row. You can use the SUMIF function in a table, or show running totals in a pivot table.

But what if you want to show the total for a specific number of previous months – not all the previous months?

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Excel Subtotals With Duplicate Grand Totals

Do you use Excel’s Subtotal command to automatically create subtotals in a list? I prefer pivot tables, but still use Subtotals in a few macros for clients. Last week, one of them asked why there were duplicate Grand Totals after applying two levels of subtotals.

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Data Validation Multiple Selection Edit

If you select an item from a data validation drop down list, it’s entered in the cell, replacing any existing data in the cell. If you’d like to add more items to the cell, instead of replacing the current text, you can use a bit of programming, to allow multiple selections from a data validation list.

In my sample file that shows how to do this, I’ve added new code, to prevent a problem that occurs in one type of situation.

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Happy Spreadsheet Day 2015

Happy Spreadsheet Day 2015! Thanks for stopping by, and please vote in the survey below, for the Spreadsheet Hall of Fame.

We celebrate on October 17th because that is the date on which VisiCalc was first released, way back in 1979 – and that was 36 years ago. How time flies when you’re having fun with spreadsheets!

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Count Items Based on Another Column

How can you count items in one column, based on criteria in a different column? We’ve shipped orders to the East region, and want to know how many of those East orders have a problem note in column D. Instead of the COUNTIF function (1 criterion) we’ll use the COUNTIFS function (multiple criteria).

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