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Why plugins corrupt your .xlsx files (and how to check before it happens)

Why plugins corrupt your .xlsx files (and how to check before it happens)

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7 min read
How to Convert Stripe Transaction Exports into Production SQL INSERTs

How to Convert Stripe Transaction Exports into Production SQL INSERTs

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5 min read
Excel for the Web: Remove Duplicates Before the PivotTable, or Your Top Customer Is Overstated by $2,310

Excel for the Web: Remove Duplicates Before the PivotTable, or Your Top Customer Is Overstated by $2,310

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4 min read
Editing .xlsx files without Excel: what actually works in 2026

Editing .xlsx files without Excel: what actually works in 2026

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7 min read
How to merge Shift_JIS, UTF-8 BOM, and Windows-1252 CSVs without guessing the encoding

How to merge Shift_JIS, UTF-8 BOM, and Windows-1252 CSVs without guessing the encoding

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6 min read
How to convert decimal hours to hours and minutes

How to convert decimal hours to hours and minutes

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6 min read
Opening an .xlsx on a machine with no Excel

Opening an .xlsx on a machine with no Excel

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4 min read
Building Resilient Ingestion Pipelines for Messy Excel Payroll Exports

Building Resilient Ingestion Pipelines for Messy Excel Payroll Exports

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2 min read
Automating Excel Reports with Python: A Pipeline That Survives Real Files

Automating Excel Reports with Python: A Pipeline That Survives Real Files

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5 min read
How to extract tables from a PDF into Excel or CSV

How to extract tables from a PDF into Excel or CSV

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4 min read
Merging CSV and Excel files without breaking them: encodings, leading zeros, and header drift (.NET notes)

Merging CSV and Excel files without breaking them: encodings, leading zeros, and header drift (.NET notes)

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2 min read
Normalizing Amazon Multi-Marketplace Settlement Files in Excel & ETL Workflows

Normalizing Amazon Multi-Marketplace Settlement Files in Excel & ETL Workflows

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3 min read
Build an Excel VBA data entry userform in 10 minutes

Build an Excel VBA data entry userform in 10 minutes

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3 min read
How to clean messy CSV exports in Excel with Power Query (step by step)

How to clean messy CSV exports in Excel with Power Query (step by step)

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3 min read
How to Calculate Prorated Rent in Excel or Google Sheets (Actual Days, 365-Day Year and Rent / 30)

How to Calculate Prorated Rent in Excel or Google Sheets (Actual Days, 365-Day Year and Rent / 30)

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6 min read
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