Inserting a lot of columns or rows in Microsoft Excel is awkward and prone to mistakes. When you need to enter dozens or more columns, use this VBA procedure for ease and accuracy.

Adding a new column to either an entire spreadsheet or just a portion is an easy thing to do in Microsoft Excel. Here's how.

If you have a lengthy column of numbers that you need to multiply by a percentage, Excel includes tools to instantly apply the product to the entire range of cells in the column.

If you wish to count the same or duplicate values in a column only once in Excel or the count of occurances of duplicate values, read this article.