Next, tidy up the appearance of your text. Stick to clean, professional fonts like Calibri, Arial, or Times New Roman, and use consistent sizes—say 12pt for headers and 11pt for all other text. Align ...

I'm not sure what this should actually be called in Excel, but this is what I'm trying to do. I've got two spreadsheets with data on them. One spreadsheet has 22,858 rows of data. The other ...