Spreadsheet Automation: Python, Apps Script, and Power Query
Automate repetitive spreadsheet work with Python (openpyxl), Google Apps Script, and Excel Power Query. Schedule reports and format outputs.
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Tags: spreadsheet, automation, python
Spreadsheet Automation: Python, Apps Script, and Power Query for Repetitive Tasks Repetitive spreadsheet work is a tax on your time. Downloading a report, cleaning it, merging it with another file, formatting it, and sending it every Monday is 30 minutes of mechanical work that machines should do. This guide covers the right tool for each kind of automation: Python with openpyxl and xlwings, Google Apps Script for Workspace, and Excel Power Query and Power Automate — with clear guidance on when to move to a real database. --- Python: openpyxl for File-Based Automation openpyxl is the standard library for creating and modifying .xlsx files from Python. It gives you cell-level access — formatting, formulas, charts, named ranges. Common Pattern: Read, Transform, Write Automating Multi-File…
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