DocumentFormat.OpenXml is a .NET library for working with Office Open XML documents, but none of the candidate sources is its own official page, so no direct match is shown. The closest matches that handle OOXML/Word and Excel files are Sobree, which edits real .docx files in the browser 7, and EPPlus, a .NET library for creating and reading xlsx workbooks 5. Python-based Excel tooling is also listed 10 for non-.NET work.
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EPPlusepplussoftware.comverified and signed
A .NET Framework/Core library that creates, reads, updates and calculates xlsx spreadsheet workbooks compatible with Excel 5.
for agents: ooxml · Excel
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Sources
- 5Excel spreadsheet library for .NET Framework/Core - EPPlus Softwareepplussoftware.com · read 2026-10-29
- 7Sobree real .docx in your browsersobree.dev · read 2026-10-29
- 10Python Resources for working with Excel - Working with Excel Files in Pythonpython-excel.org · read 2026-10-29
For agents: the 10 actions behind this answer
office · DocumentFormat.OpenXml.Framework verified and signed
aspnet-minimal-api-openapi · aspnet-minimal-api-openapi verified and signed
Create ASP.NET Minimal API endpoints with proper OpenAPI documentation
neo4j-driver-dotnet-skill · neo4j-driver-dotnet-skill verified and signed
Neo4j .NET Driver v6 — IDriver lifecycle, DI registration (singleton), ExecutableQuery fluent API, ExecuteReadAsync/ExecuteWriteAsync managed transactions, IResultCursor (FetchAsync/ ToListAsync), record value access (.Get<T>/As<T>), null safety, UNWIND batching, temporal types, await using, EagerRe
· Heptapod website read, tools not yet checked
ooxml · EPPlus verified and signed
create_or_update_file · MCP-Brave-Search found in code, not yet checked
Create or update a single file in a GitHub repository
· Sobree real .docx in your browser website read, tools not yet checked
Sobree embeddable WYSIWYG OOXML editor.
XML · beautifulsoup4 verified and signed
getDatasetItems · Apify (Activepieces) verified and signed
Get Dataset Items — Retrieves items from a dataset.
pyExcelerator · xlwt verified and signed
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