Excel's SUMIF and SUMIFS functions both let you add up values that match criteria you specify. The problem is that many people treat them as separate tools: SUMIF for one condition, SUMIFS for ...
It was taking 2 hours a month just to "add up items by the first digit of the code"This is a story from when I was observing ...
After creating a table in Excel, are you using a calculator to add up the numbers and then typing them into the total column?