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Performance
2 tutorials grouped around Performance, so readers can continue by topic.
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CSV Batch Deduplication: Big Data & Cross-Platform
Learn how to batch process multiple CSV files and handle encoding, delimiters, leading zeros, and other common issues. Includes Python script examples for larger workflows.
12 min readAug 18, 2025
advanced
Excel Large-File Deduplication Without Crashing: Performance Optimization & Crash Prevention Guide
Professional guide for Excel big data processing: 64-bit environment setup, CSV optimization, batch processing strategies. Reduce large-file freezing, memory pressure, and program crashes with SheetCleaner, Power Query, and Python scripts.
15 min readAug 18, 2025