Outlook guides

How to add an email domain to Microsoft 365 without downtime: verification, accepted-domain type, SPF, DKIM, DMARC before MX, and the mail-flow traps.

How to apply your organisation's branding across Microsoft 365 — logos, themes, sign-in pages, and app launcher customisation.

How CAE revokes access tokens in near real time when risk signals change — and what to do to make sure it works.

How Draft with Copilot and Coaching by Copilot behave in Outlook: what a reply contains, tone and length controls, mailbox and client requirements.

How Summary by Copilot condenses an Outlook thread, what its citations mean, the Prepare-for-meeting brief, and what each feature reads before you rely on it.

The Rewrite options in Copilot in Word — Auto Rewrite, tone variants, Visualize as a Table, Coach — what each is for, where each misfires, and vs Editor.

How Exchange Online keeps mail beyond the primary mailbox — archive mailboxes, retention, and legal hold.

How mail moves into and out of Exchange Online — connectors, transport rules, and hybrid routing.

How Microsoft 365 and Dynamics 365 work together — shared identity, Teams integration, common Power Platform, Copilot.

How to deploy and manage Microsoft 365 Apps (Word, Excel, etc.) through Intune — channels, updates, and policies.

How MAM-WE protects corporate data inside specific apps on personal devices — without managing the device itself.

How to manage email signatures in Outlook — cloud signatures, transport rules, and third-party tools.

How the Adoption Score measures Microsoft 365 usage at the tenant level — what's in it and what it's good for.

The Microsoft 365 Apps Cloud Policy service applies Office app policies to users regardless of device, replacing per-device Group Policy.

Deploying and managing Office apps on macOS — installation, updates, Intune management, and Mac-specific features.

Copilot for Sales is the role-specific Copilot for sales teams, integrating with Dynamics 365 and Salesforce CRMs.

Copilot for Service is the role-specific Copilot for customer service teams, integrating with Dynamics 365 Customer Service, Salesforce, and ServiceNow.

How Copilot in Outlook drafts and summarises email — and the realistic productivity impact.

The DNS records every Microsoft 365 tenant needs — and what each one does.

F1 vs F3 Microsoft 365 plans for deskless workers — capabilities, sharing, and deployment patterns.

Specific operational differences when running Microsoft 365 in GCC, GCC High, or DoD government clouds.

Naming conventions and expiration policies keep group sprawl manageable. Here's how each works.

Three closely-related concepts that confuse a lot of users. Here's the model.

Securing mobile access to Microsoft 365 — MAM, MDM, Conditional Access, and the BYOD vs corporate distinction.

A clean joiner workflow for Microsoft 365 — provisioning, access, training, and first-week experience.

How to structure user training for Microsoft 365 — formats, content sources, role-specific paths, and measurement.

Advanced Microsoft Bookings patterns — multi-service pages, staff pools, forms, integrations, and customer experience.

Practical patterns for using Loop components — where they shine, where they don't, and how to operate them at scale.

Microsoft Loop is a collaborative document and components platform — what it is and how it fits with the rest of Microsoft 365.

How Loop components and workspaces work with external users — and the governance considerations.

Microsoft Places brings hybrid-work coordination to Microsoft 365 — desk booking, in-office days, and team scheduling.

The three task and project tools in Microsoft 365 — when to use each.

What Viva Amplify does — campaign workspaces, one publish to Outlook, Teams, SharePoint, Viva Engage, approvals, analytics — who needs it, and the gaps.

Viva Learning is a single learning surface inside Teams that aggregates content from many providers. Here's how it works.

How to move an address from a shared mailbox to a distribution group, or back, without dropping mail — what happens to history, and when a Group is better.

A practical migration playbook for moving from Google Workspace to Microsoft 365 — workloads, tools, and pitfalls.

How to move mailboxes from Exchange Server to Exchange Online — the migration types, hybrid deployment, and the realistic plan.

New Outlook vs classic Outlook on Windows: what actually changes, what still doesn't work, and how to run the migration without a user revolt.

OME is Microsoft's email encryption service — what it does, how to enable it, and what it looks like for recipients.

How OME works under the hood — encryption flow, branding, custom templates, and the recipient experience.

The modern Office add-in model — web-based extensions for Word, Excel, PowerPoint, Outlook running across platforms.

How classic Outlook caches mailbox data locally — what an OST file is, when to use cached mode, and the modern alternatives.

The three ways to share a calendar in Outlook — delegate access, share permissions, and shared calendars.

How Focused Inbox separates important mail from the rest, and what happened to its predecessor Clutter.

How to govern Outlook mobile on iOS and Android — app protection policies, security settings, and feature controls.

Client-side rules, server-side rules, and Power Automate — the three ways to automate email handling in Microsoft 365.

How Exchange Online decides which addresses a mailbox answers to: proxy addresses, primary SMTP, UPN vs email, sending from aliases, and hybrid gotchas.

Shared mailboxes are mailboxes multiple people can monitor. Here's how they differ from groups, distribution lists, and personal mailboxes.

How search works in Microsoft 365 — what gets indexed, what users see, and how to make results better.

How to build Teams apps that extend Microsoft 365 Copilot — the unified app model, message extensions, and agent extensions.

What Exchange Online is: Microsoft 365's cloud email and calendaring, how it fits the platform, the security and compliance layers, and running it well.