Individual skill
xlsx
Read, create, or edit Excel spreadsheets (.xlsx/.xlsm) — sheet data, formulas, styles, charts, multi-sheet workbooks — and bulk .csv/.tsv tables; use whenever a spreadsheet is the input or the deliverable (extract/analyze data, add columns/formulas/formatting/charts, clean messy tables, build from scratch), but not for Google Sheets API or Word/PDF/script outputs.
deeptutor/skills/builtin/xlsx/SKILL.md
Source commit f7aed0744c36c5afef16a4261c31ebee1208cac2
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- Last checked
- Nov 2, 2026
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- Nov 6, 2026
- License
- Apache-2.0
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# Excel (.xlsx) workbooks
## Runtime
Use `exec` with complete Python source (`language: python`). Prefer creating,
saving, reopening, and validating the workbook in one call; later calls can
revise the same relative filename. Follow the turn's **User workspace**
instructions for locating inputs, output boundaries, and presenting the
finished file.
Use **openpyxl** for cells, formulas, styles, charts, merged cells, multi-sheet
workbooks, number formats, and streaming large sheets. It is declared by every
supported DeepTutor installation. Do not assume pandas is installed: it exists
in the Docker runner but is not a direct dependency of every pip/source install.