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Spreadsheet and automation guides

Practical notes for formulas, templates, scripts, and data work.

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16 posts

The five questions an analyst asks of a sales export, in order, with the prompts to use. A worked example where revenue is up 20.8% but margin is down, and the AI finds out why.

A small business is under budget overall, but three categories are over. A worked example in GPTExcel, from expenses export to a month-by-month chart, the subscriptions to cancel and a draft Q4 budget.

Headcount by department, annual turnover, why one team keeps losing people, and pay within each level. A worked example in GPTExcel, with the prompts and a one-page summary for leadership.

Three formula patterns behind most slow workbooks, SUMPRODUCT over whole columns, volatile OFFSET and repeated VLOOKUPs, and what to replace each with. A worked example that reads 500 times fewer cells.

The three lookups compared side by side, then used on a 500-order workbook. A lookup to the left, the inserted-column trap that silently breaks VLOOKUP, and which one to use.

Google Sheets' FLATTEN turns a range into one column; Excel's new FLATTEN spreads lists inside cells into the grid. What each does, and the Excel formula to use instead.

What Excel's newer functions do, their syntax, and which versions have them today, including FLATTEN and IMPORTTEXT, which are still Beta-only.

Duplicates, stray spaces, dates stored as text, five spellings of one country. A four-step workflow to find and fix them with GPTExcel, and check the result.

XLOOKUP, SUMIFS, LET, FILTER and TEXTSPLIT replace whole workflows. Worked examples for each, the mistakes to avoid, and which Excel versions have them.

Upload an Excel or CSV file, ask in plain English, and get answers, formulas, pivot tables, charts and reports back. Here's a tour of everything GPTExcel does.

Harness the power of AI to generate automation scripts for Google Sheets, Microsoft Excel, and Airtable with GPTExcel, accelerating your productivity and efficiency.

Unleash the potential of AI in generating or explaining complex regex patterns with GPTExcel. Streamline your regex processes with ease and efficiency.

Unravel the complexities of your Excel formulas with GPTExcel, the AI-powered formula explainer for Excel, Google Sheets, and Airtable. Simplify data analysis by understanding every step your spreadsheet takes.

Discover how GPTExcel, an AI-powered Excel formula generator, can swiftly create intricate formulas for Excel, Google Sheets, and Airtable, boosting your spreadsheet efficiency.

Unveil how GPTExcel’s AI-powered SQL query generator seamlessly creates complex SQL queries for a wide variety of DBMS, revolutionizing your database operations.

Step into the future of streamlined spreadsheet processes with GPTExcel, an AI-powered Excel formula generator.