# Claude: Errors when uploading some filetypes on Claude.ai with analysis tool enabled

> Claude status incident “Errors when uploading some filetypes on Claude.ai with analysis tool enabled” on 2025-04-21: impact none (vendor’s label), 0 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/claude/incidents/3yqln2w85bbj
Last updated: 2025-04-21T18:35:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2025-04-21 18:35 UTC · Resolved: 2025-04-21 18:35 UTC · Duration: 0 min
- Updates: 1
- [Vendor status page: https://status.claude.com/incidents/3yqln2w85bbj](https://status.claude.com/incidents/3yqln2w85bbj)
- [Company: Claude](https://rewindex.com/company/claude.md)

## Timeline of updates

- **resolved** 2025-04-21 18:35 UTC: We have identified an issue which resulted in errors when uploading some filetypes such as .csv or .xlsx on Claude.ai with the analysis tool enabled. This issue began on April 14, and is now resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: none) posted by Claude, started 2025-04-21 18:35 UTC, resolved after 0 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/claude/incidents/3yqln2w85bbj
- Citation: Claude, “Errors when uploading some filetypes on Claude.ai with analysis tool enabled” (2025-04-21 18:35 UTC). Archived by Rewindex: https://rewindex.com/company/claude/incidents/3yqln2w85bbj (CC BY 4.0).
- Markdown link: `[Claude: Errors when uploading some filetypes on Claude.ai with analysis tool enabled (2025-04-21)](https://rewindex.com/company/claude/incidents/3yqln2w85bbj)`


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Canonical: https://rewindex.com/company/claude/incidents/3yqln2w85bbj · Markdown: https://rewindex.com/company/claude/incidents/3yqln2w85bbj.md · JSON: https://rewindex.com/api/v1/companies/claude/incidents/3yqln2w85bbj · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:54:28.803Z