Claude Handles Excel Poorly: Whole-File Rewrites Cap Edits at ~6-7 Revisions
TerroristCS · reddit · 2026-09-09
A user who has used Claude Pro for six months on hardware reviews, calculators and quotations complains that Claude must re-read and rewrite the entire spreadsheet on every edit — big files sometimes fail within 3 revisions, and around 6-7 revisions is the practical ceiling. They ask for alternatives or methods better suited to incremental spreadsheet modification, highlighting a common weakness of whole-file-rewrite approaches to xlsx.
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