Automating Excel with Python in 2026: 7 real workflows that save 2-4 hours every week

If you spend more than two hours a week clicking through Excel — copying columns, formatting rows, merging files, reading reports — Python will hand those hours back. Not in some abstract "you should learn to code" way. In a "ship a 40-line script this weekend, run it every Monday morning forever" way.

This article is seven concrete automations. Each has a real business case, the Python libraries you need, and a code skeleton you can copy. Pick one that matches what you actually do at work. Build it. The next six are easier.

1. Merge 20 daily reports into one master file

The pain: Every morning HR drops twenty xlsx files in a shared folder. You copy each sheet into one master workbook, by hand, for thirty minutes.

The script: