Update log── Tips added and revised

September 2026

• September 19, 2026Choosing Between Opus and GPT · AddedGrok-4.1 Fast (Non-Reasoning) is flagged as not recommended for production
• September 19, 2026Choosing Between Opus and GPT · AddedAdding an external model needs two separate admin settings
• September 19, 2026Choosing Between Opus and GPT · AddedCopilot Studio model release tags determine what you can rely on
• September 19, 2026Choosing Between Opus and GPT · Revised"Anthropic models with Data Retention" store data for up to 30 days
• September 19, 2026Choosing Between Opus and GPT · RevisedSteps to enable Anthropic models in the Microsoft 365 admin center
• September 18, 2026Choosing Between Opus and GPT · AddedSwitch an agent's primary AI model from its Overview page
• September 18, 2026Choosing Between Opus and GPT · AddedChoose by purpose: understanding the Deep / Auto / General model tags
• September 18, 2026Operating AI Agents · AddedAdmins control preview, experimental, and external model access per environment
• September 16, 2026PowerPoint · AddedSave a repeated workflow as a personal Skill for reuse
• September 16, 2026PowerPoint · RevisedTurn on stricter brand adherence for highly regulated decks
• September 16, 2026PowerPoint · RevisedCall prebuilt Skills like @Prepare for Questions in the chat pane
• September 13, 2026Choosing Between Opus and GPT · AddedNew Grok models in Copilot require an admin setting (off by default)
• September 12, 2026Word · AddedFormatting | For headings, tables of contents, headers and page numbers, name the scope and Word's built-in styles
• September 12, 2026Word · AddedReview | Asking Copilot to mark changed passages in yellow highlighter: check with Find, and remove it before sending
• September 12, 2026Word · AddedReview | Accept or reject Copilot's edits one at a time, and leave resolving comments to a person
• September 12, 2026Word · AddedReview | Have Copilot apply the review comments you chose, and report any it could not apply
• September 12, 2026Word · AddedReview | Before applying anything, have Copilot list the open comments and let a person choose which to fix
• September 12, 2026Word · AddedReview | Before Copilot edits, turn on Track Changes and make sure you can roll back
• September 12, 2026Word · AddedAsk Copilot to insert and format hyperlinks in a document
• September 12, 2026Word · AddedFind differences between two versions
• September 12, 2026Word · RevisedRewrites now highlight only the exact words that changed
• September 12, 2026Word · AddedTurn text into a table (Visualize as a Table)
• September 12, 2026Word · AddedCompare rewrite suggestions for selected text
• September 12, 2026Word · AddedAsk questions about a document and check citations
• September 12, 2026Word · AddedSummarize a long document
• September 12, 2026Word · AddedDraft from referenced files using /
• September 12, 2026Teams · AddedAdd Copilot to a group chat (preview)
• September 12, 2026Teams · AddedRun the meeting with Facilitator
• September 12, 2026Teams · AddedRewrite and adjust a message before sending
• September 12, 2026Teams · AddedCatch up on chats and channels
• September 12, 2026Teams · AddedReview AI notes and tasks in intelligent recap
• September 12, 2026Teams · AddedAsk Copilot after the meeting in chat or Recap
• September 12, 2026Teams · AddedUse Copilot without transcription or recording
• September 12, 2026Teams · AddedSet how Copilot can be used in your meeting
• September 12, 2026Teams · AddedAsk Copilot about the meeting while it runs
• September 12, 2026SharePoint / OneDrive · AddedClassic SharePoint pages can reduce the accuracy of Copilot responses
• September 12, 2026SharePoint / OneDrive · AddedBuild SharePoint-safe HTML using the tenant's own _html guidance page
• September 12, 2026SharePoint / OneDrive · AddedImprove a skill using tests and measured evaluations
• September 12, 2026SharePoint / OneDrive · AddedCreate a personal skill once and use it across all SharePoint sites
• September 12, 2026SharePoint / OneDrive · AddedBuild a SharePoint FAQ web part from documents
• September 12, 2026SharePoint / OneDrive · AddedUse SharePoint site agents to find internal documents
• September 12, 2026SharePoint / OneDrive · AddedCreate a OneDrive agent grounded in selected files
• September 12, 2026SharePoint / OneDrive · AddedAsk questions across files without opening them
• September 12, 2026SharePoint / OneDrive · AddedCompare old and new SOP versions in OneDrive
• September 12, 2026SharePoint / OneDrive · AddedSummarize up to 5 files in OneDrive without opening them
• September 12, 2026PowerPoint · AddedAdd a slide from a description
• September 12, 2026PowerPoint · AddedGenerate speaker notes
• September 12, 2026PowerPoint · AddedSummarize a deck and find key slides
• September 12, 2026PowerPoint · AddedBuild a draft deck from a Word document
• September 12, 2026PowerPoint · AddedCreate a new presentation with Agent Mode
• September 12, 2026Outlook · AddedSchedule a meeting through Copilot chat
• September 12, 2026Outlook · AddedDraft a meeting agenda with Copilot
• September 12, 2026Outlook · AddedCreate a meeting from an email thread
• September 12, 2026Outlook · AddedSave your writing style as draft instructions
• September 12, 2026Outlook · AddedAsk Copilot Chat in Outlook about your mail and calendar
• September 12, 2026Outlook · AddedUse Prioritize my inbox
• September 12, 2026Outlook · AddedCheck a draft with Coaching by Copilot
• September 12, 2026Outlook · AddedDraft an email with Copilot
• September 12, 2026Outlook · AddedSummarize a long email thread
• September 12, 2026OneNote · AddedCollect sources in a Copilot Notebook and ask questions
• September 12, 2026OneNote · AddedTake notes with Copilot from Microsoft 365 content
• September 12, 2026OneNote · AddedDraft a project plan from requirement notes
• September 12, 2026OneNote · AddedAsk questions about the notes in a section
• September 12, 2026OneNote · AddedOrganize a messy section
• September 12, 2026OneNote · AddedTurn meeting notes into a to-do list
• September 12, 2026OneNote · AddedSummarize notes on a page or section
• September 12, 2026Working with OneDrive · AddedYour sharing settings define what Copilot can surface
• September 12, 2026Working with OneDrive · AddedCopilot in OneDrive: supported types and 150 MB limit
• September 12, 2026Working with OneDrive · AddedScope Copilot to a SharePoint library or folder
• September 12, 2026Working with OneDrive · AddedHow your license changes OneDrive and SharePoint access
• September 12, 2026Working with OneDrive · AddedUploaded files are stored in your OneDrive
• September 12, 2026Working with OneDrive · AddedType '/' to reference OneDrive or SharePoint files
• September 12, 2026Notebooks / Pages · AddedDeleted notebooks cannot be recovered
• September 12, 2026Notebooks / Pages · AddedLabels work on Pages only; no Information Barriers
• September 12, 2026Notebooks / Pages · AddedSharing a notebook also shares its referenced files
• September 12, 2026Notebooks / Pages · AddedNotebooks answer only from the references you add
• September 12, 2026Notebooks / Pages · AddedCollect references in a Copilot Notebook
• September 12, 2026Notebooks / Pages · AddedShare a Page with the right link type
• September 12, 2026Notebooks / Pages · AddedPages and Notebooks are stored in SharePoint Embedded
• September 12, 2026Notebooks / Pages · AddedTurn a chat answer into a Copilot Page
• September 12, 2026Choosing Between Opus and GPT · AddedGPT-5.6 may be used automatically as the preferred model
• September 12, 2026Choosing Between Opus and GPT · AddedRead vendor API specs separately from Copilot limits
• September 12, 2026Choosing Between Opus and GPT · AddedUse audit logs to see which model answered
• September 12, 2026Choosing Between Opus and GPT · RevisedClaude Sonnet 5 and GPT-5.5 Chat now generally available as primary models in Copilot Studio
• September 12, 2026Choosing Between Opus and GPT · AddedIn Cowork, pick by the model description and effort level
• September 12, 2026Choosing Between Opus and GPT · AddedChoose Claude in Researcher
• September 12, 2026Choosing Between Opus and GPT · AddedKnow how data handling differs by model provider
• September 12, 2026Choosing Between Opus and GPT · AddedLeave the model picker on Auto unless you have a reason
• September 12, 2026Loop · AddedChoose between Loop, Copilot Pages, and Notebooks
• September 12, 2026Loop · AddedEdit part of a Copilot Page with Ask Copilot
• September 12, 2026Loop · AddedSave a Copilot Chat answer as a Copilot Page
• September 12, 2026Loop · AddedDraft with the '/' Copilot menu (Create, Brainstorm)
• September 12, 2026Loop · AddedShare page changes with Recap
• September 12, 2026Loop · AddedInsert a Copilot answer into a Loop page
• September 12, 2026Loop · AddedCopilot in Loop has been reduced for now
• September 12, 2026Grounding Copilot in Your Stored Content · AddedGround Copilot in other systems with Copilot connectors
• September 12, 2026Grounding Copilot in Your Stored Content · AddedUse Restricted Access Control to actually block access
• September 12, 2026Grounding Copilot in Your Stored Content · AddedRestricted SharePoint Search is retiring
• September 12, 2026Grounding Copilot in Your Stored Content · AddedHide sites from Copilot with Restricted Content Discovery
• September 12, 2026Grounding Copilot in Your Stored Content · AddedFind oversharing with data access governance reports
• September 12, 2026Grounding Copilot in Your Stored Content · AddedUse DLP to keep labeled files out of Copilot processing
• September 12, 2026Grounding Copilot in Your Stored Content · AddedNew content inherits the source sensitivity label
• September 12, 2026Grounding Copilot in Your Stored Content · AddedEncrypted labels: Copilot needs VIEW and EXTRACT
• September 12, 2026Grounding Copilot in Your Stored Content · AddedHow the semantic index works and how to exclude a site
• September 12, 2026Grounding Copilot in Your Stored Content · AddedCopilot surfaces only data you can at least view
• September 12, 2026Excel · AddedOpen previous Copilot in Excel conversations from chat history
• September 12, 2026Excel · AddedTurn repeatable tasks into custom skills
• September 12, 2026Excel · AddedAsk Copilot to explain workbook change history
• September 12, 2026Excel · AddedGet answers computed with Python-based analysis
• September 12, 2026Excel · AddedHighlight, sort, and filter with a prompt
• September 12, 2026Excel · AddedCreate charts and PivotTables by describing them
• September 12, 2026Excel · AddedHave Copilot explain a formula
• September 12, 2026Excel · AddedAdd calculated columns in plain language
• September 12, 2026Excel · AddedChoose between Allow editing, Plan, and Chat only
• September 12, 2026Copilot Chat · AddedManage custom instructions and memory (preview)
• September 12, 2026Copilot Chat · AddedUse Analyst to find trends in aggregated data
• September 12, 2026Copilot Chat · AddedUse Researcher for source-cited reports
• September 12, 2026Copilot Chat · AddedSave prompts you use often
• September 12, 2026Copilot Chat · AddedSupported file formats and splitting long files
• September 12, 2026Copilot Chat · AddedLook for the green shield (enterprise data protection)
• September 12, 2026Copilot Chat · AddedCheck the exact web queries in the citations
• September 12, 2026Copilot Chat · AddedDecide whether Copilot may use web search
• September 12, 2026Copilot Chat · AddedUse the Work IQ button to turn work data on or off
• September 12, 2026Copilot Chat · Added2026 renaming: Microsoft Copilot and Copilot Chat
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | Verify answers on the PDF page itself: open the cited source alongside and compare
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | When Copilot can't read a PDF, check in this order: password, label, DLP, size, count
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | Scanned PDFs may have no text: check first, and turn them into text before you use them
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | Find stored PDFs by meaning: PDF files are covered by the semantic index
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | Compare several PDFs: Compare files for up to five, a notebook when there are more
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | Open a PDF in Word and ask Copilot, keeping in mind that you are working on a converted copy
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | Ask an attached PDF by meaning and have it answer with the page, heading and a verbatim quote
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | Ask about a PDF open in Edge through the sidebar Copilot, signed in with your work account
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | In a PDF open in OneDrive, select a passage and use Explain this or your own prompt
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPDF | Keep PDFs in OneDrive rather than on your PC, and make sure their text can be selected
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedBefore you use an answer, check facts, figures, names and dates against the source
• September 12, 2026Concept Search and Insight across OneDrive Documents · RevisedAsk what it changes and why: separate facts, implications and reasons
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedPull recurring themes out of many documents with a notebook
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedDecide the comparison criteria first, then line up to five files in a table
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedGenerate check questions and an FAQ, answer them yourself, then compare
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedCheck your understanding: have it test your own summary against the source
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedWith long documents, ask about a specific topic instead of asking for a summary
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedHave it return the passage with the file name and a verbatim quote
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedFor a large collection, add the whole folder to a notebook and ask
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedUse word search for fixed terms and Copilot for questions of meaning
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedWrite queries as meaning and conditions, not single keywords
• September 12, 2026Concept Search and Insight across OneDrive Documents · AddedSearch by meaning: ask Copilot Search in a full sentence
• September 12, 2026Operating AI Agents · AddedSeparate what Entra Agent ID and Agent 365 cover
• September 12, 2026Operating AI Agents · AddedReview quality regularly in Copilot Studio Monitor
• September 12, 2026Operating AI Agents · AddedTrack agent use in Purview audit logs
• September 12, 2026Operating AI Agents · AddedRestrict features per environment with data policies
• September 12, 2026Operating AI Agents · AddedSet up pay-as-you-go for unlicensed Copilot Chat users
• September 12, 2026Operating AI Agents · AddedWhen capacity overage stops agents, and per-agent caps
• September 12, 2026Operating AI Agents · AddedWhat's included for licensed users, and the exceptions
• September 12, 2026Operating AI Agents · AddedPin the agents you want people to use
• September 12, 2026Operating AI Agents · AddedRetire agents knowing deletion is irreversible
• September 12, 2026Operating AI Agents · AddedAssign a new owner to ownerless agents
• September 12, 2026Operating AI Agents · AddedBlocking reach depends on how the agent was built
• September 12, 2026Operating AI Agents · AddedRoute org-wide publishing through request and approval
• September 12, 2026Operating AI Agents · AddedUse the Agent Registry as your inventory
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 2 | When to move to Copilot Studio, and what a copy doesn't carry over
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 2 | When something goes wrong, work from the symptom to the cause
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 2 | Know where admin settings affect makers
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 2 | Updates reach users only after Update: keep a change record and clear owners
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 2 | Evaluate with a fixed question set and follow usage in Monitor
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 2 | Limits of scoping: general knowledge can't be fully shut out
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 1 | Before sharing, check that people can open the knowledge
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 1 | Share with separate roles: chat only, or edit and manage
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 1 | Use starter prompts as test questions and check them on Try it
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 1 | Scope knowledge to what the answers actually need
• September 12, 2026Building AI Agents with Agent Builder · AddedDeep dive 1 | Build instructions from purpose, general rules, steps and output format
• September 12, 2026Building AI Agents with Agent Builder · AddedBasics | Set capabilities and starter prompts, test on Try it, then create
• September 12, 2026Building AI Agents with Agent Builder · AddedBasics | Knowledge source types and how many you can add
• September 12, 2026Building AI Agents with Agent Builder · AddedBasics | Name, description and instructions: what each does, and the 30 / 1,000 / 8,000 character limits
• September 12, 2026Building AI Agents with Agent Builder · AddedBasics | Three ways to build: describe, configure by hand, or start from a template
• September 12, 2026Building AI Agents with Agent Builder · AddedBasics | Where to open Agent Builder and who can use it