Adding text after a specific number of characters in Excel is a possibility if you know what to do. In this situation, we will be using the LEFT, RIGHT, and LEN functions instead of CONCAT.

Thankfully, Microsoft Excel's COUNTIF formula swoops in to save the day. It lets you count cells based on specific text or conditions, turning your spreadsheet chaos into organized data magic.

Use: =NETWORKDAYS(start_date, end_date, [holidays]) By incorporating these Excel formulas into your workflow, you’ll be well-equipped to tackle a wide range of data manipulation and analysis tasks.