OpenDocBot is a client-side AI agent for Microsoft Office that lets users connect their own AI models from providers like OpenAI, Anthropic, and DeepSeek to draft content, analyze data, and automate workflows in Word, Excel, and PowerPoint. Currently in early access, it operates on a bring-your-own-key model with no data sent to company servers, supports local models via Ollama, and is free for teams up to 30 users.