Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.
If Excel is not using threads efficiently, calculations may take a long time to complete. Learn how to speed up calculating threads in Excel.
Jason Hiner is Editorial Director of CNET and former Editor in Chief of TechRepublic. He's co-author of the book, Follow the Geeks. Drop down lists can greatly facilitate data entry. Learn how to use ...