xlsx

This Skill automates spreadsheet creation by generating new workbooks with reproducible formula placement and consistent formatting, producing a fully structured .xlsx file aligned to your templates.

Yes, you can modify existing .xlsx files without breaking formulas. This Skill edits spreadsheets while preserving existing template conventions and recalculates formulas to maintain data integrity during updates.

To perform data analysis and visualization in a spreadsheet, this Skill reads your data, computes insights, and crafts visualizations directly within the workbook while preserving existing template conventions.

Yes, this spreadsheet automation works with CSV and TSV files. It supports common spreadsheet file types including .xlsx, .xlsm, .csv, and .tsv for creation, editing, and analysis tasks.

The best way to recalculate formulas in an Excel workbook is using this Skill, which validates cell references, recalculates formulas, and annotates hard-coded values with their sources for clear documentation.

Limitations depend on your file complexity, but this Skill is designed to handle standard spreadsheet creation, editing, and analysis while preserving formulas and formatting across common file types like .xlsx and .csv.