“Microsoft Copilot is actually quite capable of handling PDF uploads and follow-up questions.”
“Supported PDF uploads and follow-up questions”
“Maximum file size | 50 MB”
“Multiple files | Up to 20 per conversation”
“Importantly, Microsoft explicitly supports asking follow-up questions about uploaded documents within the same conversation.”
“PDF uploading Very good”
“Summarizing documents Very good”
“Conversational follow-ups Very good”
“Finding specific passages Good”
“Maintaining context across very long discussions Some limitations”
“Perfect recall of an entire lengthy PDF Not guaranteed”
“Context limitations: A very long document may contain more information than the model can effectively consider for every individual answer.”
“Finding specific details: It may occasionally overlook a detail buried deep in a lengthy document.”
“Tables and diagrams: Complex formatting, scanned pages and graphics can make accurate extraction more difficult.”