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

Incident Report for Anthropic

Resolved

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.

Posted Apr 21, 2025 - 11:35 PDT

This incident affected: claude.ai.