01
Coaching in Outlook chat
Copilot can give and apply more granular writing feedback while an email is being drafted.
AI Update Guide · May to August 2026Source checked 19 August
Microsoft 365 Copilot guide
Microsoft 365 Copilot.
What matters now.
The work-focused Copilot experience in Microsoft 365, including Copilot Chat and apps such as Word, Excel, PowerPoint, Outlook and Teams. This guide does not cover the consumer Microsoft Copilot app.
Work focus: Microsoft 365 Copilot and Copilot Chat only. Personal Microsoft Copilot features are intentionally excluded.
4material changes
100%official sources
1clear product scope
The change log
Recent moments
at a glance
These are the changes most likely to affect everyday work, rather than a complete vendor changelog.
02
Find email attachments
Copilot Chat can list attachments from sent or received messages.
03
A library for Copilot content
Generated images and pages can be found again in one shared library view.
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Showing 4 of 4 changes
ImprovedOfficial source checked01Outlook coaching in chat
Copilot can provide coaching feedback as you draft, edit and format an email, with the option to apply selected suggestions directly to the message.
What it could do
Draft a sensitive customer follow-up, ask for coaching on clarity and tone, then apply only the suggestions you accept.
Get started
- Start a new email in Outlook
- Choose Get Coaching
- Review suggestions in the Copilot chat pane and apply them selectively
Availability: Microsoft 365 Copilot across supported Outlook platforms
Verified against official vendor informationMicrosoft 365 Copilot release notes ↗Checked 19 Aug 2026
NewOfficial source checked02Find email attachments in Copilot Chat
Microsoft 365 Copilot can list file attachments from email messages you have sent or received.
What it could do
Find the files exchanged with a supplier during the last month without manually searching through long email threads.
Get started
- Open Microsoft 365 Copilot Chat
- Ask for attachments from a named sender, period or subject
- Open the list and check the files against the source emails
Try this
“List the attachments from emails received from [name] in the last 30 days. Group them by message date and subject.”
Availability: Android, Windows, iOS, Mac and web
Verified against official vendor informationMicrosoft 365 Copilot release notes ↗Checked 19 Aug 2026
NewOfficial source checked03A shared Copilot library
A centralized Library in the Microsoft 365 Copilot app lets people find and manage Copilot-created images and pages.
What it could do
Retrieve an AI-created image or page from a previous project rather than recreating it from scratch.
Get started
- Open the Microsoft 365 Copilot app
- Go to Library
- Filter by images or summaries and share the approved item in Teams or email
Availability: Android, Windows, iOS, Mac and web
Verified against official vendor informationMicrosoft 365 Copilot release notes ↗Checked 19 Aug 2026
NewOfficial source checked04Watermark controls for AI media
Organizations can use a policy to add visual or audio watermarks to video and audio content generated or altered by AI in Microsoft 365.
What it could do
Apply a clear disclosure to AI-altered internal training video so its origin is transparent to staff.
Get started
- Review the organization’s content and disclosure policy
- Configure the Microsoft 365 Cloud Policy setting
- Test the setting on a non-sensitive example before wider use
Availability: Controlled through Microsoft 365 Cloud Policy service
Verified against official vendor informationMicrosoft 365 Copilot release notes ↗Checked 19 Aug 2026
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Every card is based on the relevant vendor’s own release notes or official product guidance. The check date and access limitations are shown beside it.
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Third-party coverage can surface an update, but it never confirms a claim in this guide.
Material change only
We choose changes that alter what a non-technical person can realistically do at work.
Access stated plainly
Plan, device, region and organization restrictions sit beside the practical guidance.