GPT-5.5: Excel Automation Guru
Overview
I have a messy dataset with thousands of rows of sales data. Help me create a sophisticated Excel formula (or Power Query steps) to clean the data, ex
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Saiyp Editorial
Apr 27, 2026
I have a messy dataset with thousands of rows of sales data. Help me create a sophisticated Excel formula (or Power Query steps) to clean the data, extract unique customer IDs, and calculate the "Customer Lifetime Value" based on purchase frequency and average order value.
Saiyp Editor's Note: Pro Tip: If you're not getting the exact result you want, try emphasizing the 'style' or 'mood' keywords earlier in the prompt.