Copilot Custom Dictionary: How Copilot Finally Understands Your Company’s Jargon
What is it?
What is the Copilot Custom Dictionary?
The Custom Dictionary is a new feature in Microsoft 365 Copilot and Teams. It allows organisations to centrally store their own terms, abbreviations and specialised language. Copilot and Teams meeting transcription automatically recognise these terms, resulting in much more accurate outputs. [learn.microsoft.com]
What and How
What does it offer in practice?
- More accuracy: Internal terminology, project names or industry specific expressions are recognised and transcribed correctly.
- Fewer misunderstandings: No more funny or embarrassing mistranscriptions in minutes or summaries.
- Better AI results: Copilot can tailor knowledge, summaries and recommendations more precisely to your organisation. [robquickenden.blog]
How does it work?
- Admins upload the Custom Dictionary in the Microsoft 365 Admin Center.
- It applies to all scheduled Teams meetings and events within the organisation.
- The AI uses the terms automatically without users needing to configure anything.
- The feature is available to all Microsoft 365 Copilot licence holders and was rolled out in July 2025. [m365admin....sontek.net]
Who benefits?
Who benefits from it?
Companies with lots of technical jargon, proprietary product names or internal abbreviations.
Anyone who values precise meeting transcripts and more accurate Copilot responses.
Conclusion
You can find more tips and practical examples in the latest Spotlight video.
If you have any questions, we are happy to help.
