If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

You can easily create a drop-down list in Excel to limit the values that can be entered in a column. Here's how to set one up ...

I have a production Excel Add-in that has been running for 2 years. Over the last 24 hours I have had numerous customers report issues with the Add-in connecting to Excel. We have not updated the app ...