A complete Microsoft Copilot overview for businesses in 2025

Disclosure: This article is published by eesel AI, a competitor of Microsoft 365 Copilot. We encourage you to read Microsoft's own materials for their perspective.

There is a lot of noise around Microsoft Copilot, and for good reason. It's being positioned as the AI assistant that will change how teams work. But "Microsoft Copilot" is not one product. It's a brand covering six distinct offerings that share a name, each aimed at a different person and purpose. If you're trying to figure out whether any of them make sense for your business, the first step is understanding what each version actually does.

This guide is a straightforward Copilot overview: what each version costs, what external tools it connects to, how well it fits a customer support or IT workflow, and what you would need to build on top of it to get there.

What Microsoft Copilot actually is

Microsoft 365 Copilot is officially described as "an AI-powered tool that helps with your work tasks. Users enter a prompt in Copilot and Copilot responds with AI-generated information. The responses are in real-time and can include internet-based content and work content that users have permission to access." It is embedded in Word, Excel, PowerPoint, Outlook, Teams, Loop, OneNote, Whiteboard, and Forms, and also surfaces as a standalone chat at microsoft365.com.

Under the hood, Copilot runs on Azure OpenAI services, not OpenAI's publicly available services. The productivity add-on reaches your internal company data through Microsoft Graph, which maps the connections between the people, documents, meetings, and chats inside your Microsoft 365 tenant. A component called Semantic Index provides advanced lexical and semantic understanding of that Graph data, so Copilot retrieves contextually relevant results rather than just keyword matches.

One data point worth knowing upfront: your prompts, responses, and the data accessed through Microsoft Graph are not used to train foundation LLMs, including those used by Microsoft 365 Copilot. Data stays within the Microsoft 365 service boundary. This applies to the paid business and enterprise add-ons, not the free consumer-facing Copilot at copilot.microsoft.com.

The Copilot product family

"Microsoft Copilot" covers six distinct products. The most important thing to grasp is that they don't all do the same job.

Copilot Chat (no add-on required)

This is available at no cost to anyone with a qualifying Microsoft 365 license. It uses the web and allows users to bring in organizational data manually. It does not give you the full Copilot experience inside Word, Excel, PowerPoint, or OneNote. That requires the paid add-on.

Microsoft 365 Copilot Business (SMB add-on)

For organizations with fewer than 300 users, Microsoft offers a separate SMB SKU. It is priced at $18/user/month on an annual plan, down from a previous list price of $21. Month-to-month is available at $25.20/user/month.

Microsoft 365 Copilot (enterprise add-on)

The flagship enterprise product. Priced at $30/user/month on an annual plan. It requires a qualifying base Microsoft 365 license, anything from M365 E3/E5 and Teams Enterprise down to standalone SharePoint or Exchange plans. This is the version embedded across all Microsoft 365 productivity apps, with access to your internal documents, emails, and meeting transcripts.

Microsoft Copilot Studio

Copilot Studio is a low-code tool for building agents and agent flows. It is the platform you would use to build a custom customer support agent, HR bot, or workflow-specific AI. It can also extend Microsoft 365 Copilot with custom tools and knowledge sources.

GitHub Copilot

A separately-priced developer tool covering code completion, chat, code review, and an agent mode for autonomous task execution. Works across VS Code, Visual Studio, JetBrains, Neovim, Xcode, Eclipse, and GitHub.com. Entirely separate product line from the Microsoft 365 family.

Standard Copilot (free, consumer)

The free AI chat interface at copilot.microsoft.com, built into Windows and the Edge browser. Suitable for personal use. For anything involving sensitive company data, it only draws from the public web and is not connected to your internal documents.

Pricing at a glance

Microsoft 365 Copilot is sold as an add-on and requires a qualifying base license. There is no standalone purchase option.

A note on bundled pricing: Microsoft publishes bundled SKUs pairing Copilot Business with Microsoft 365 Business plans at a discount. As of May 2026, that promotion runs through June 30, 2026, and is available to new customers only.

What Microsoft 365 Copilot does well

For teams already inside Microsoft 365, the paid add-on is genuinely useful for internal productivity:

• Meeting summaries: Teams Copilot can recap a call in real time, pull out key decisions, and list action items. Per the official capability table, it uses only the transcript and knows the name of the user typing the question.
• Email triage: In Outlook, it can summarize long email threads and draft replies by pulling from relevant content across Microsoft 365 that the user has permission to access.
• Document and presentation drafting: It can draw on files in SharePoint and OneDrive to produce a first draft of an internal policy doc or a slide deck.
• Enterprise search: Microsoft 365 Copilot Search provides an AI-powered search experience across Microsoft 365 applications and connected non-Microsoft data sources, so people can find information without knowing exactly where it lives.

These capabilities are strongest when your work content already lives in the Microsoft 365 ecosystem.

Connecting to external tools and knowledge sources

A common assumption is that Microsoft 365 Copilot only works with data inside Microsoft's own tools. That was more accurate in earlier versions. As of 2026, more than 100 pre-built connectors let you bring external content into Copilot.

Microsoft-built connectors cover a wide range:

• Productivity and content management: Confluence Cloud, Confluence On-premises, Notion (preview), Guru, Stack Overflow, MediaWiki, WordPress
• IT service management: ServiceNow Tickets, ServiceNow Knowledge, ServiceNow Catalog, Freshservice
• Support: Zendesk Help Center, Zendesk Ticket (preview)
• Files and cloud storage: Amazon S3, Azure Data Lake Storage, Dropbox, Google Drive
• CRM: Salesforce CRM, HubSpot (preview, federated)

Partner-built connectors extend the list further, including Slack connectors from RheinInsights and ServiceNow that index "public and private channels, messages, threads, and attached files", plus Box, additional Salesforce products, and multiple Confluence builds.

Connectors work in two modes: synced connectors ingest external content into Microsoft Graph for semantic indexing, and federated connectors retrieve content in real time via the Model Context Protocol (MCP) without moving data. In both cases, Copilot respects the source system's permission model.

The practical caveat: adding a connector is not self-serve for a support team lead. Someone with tenant-level admin access needs to configure the ingestion, permissions, and sync schedule. That's a one-time IT project, but it's worth accounting for in your timeline.

Building support workflows with Copilot Studio

If your goal is customer-facing support automation rather than internal productivity, Copilot Studio is where the work happens. Studio agents support various integrations to perform write actions: creating, updating, or closing records. Microsoft describes Studio tools as "a tool to let the agent retrieve information or perform a task, such as updating a record or completing a transaction."

Copilot Studio supports built-in human handoff to Dynamics 365 Customer Service, ServiceNow, Salesforce, LivePerson, and Genesys.

For testing before deployment, Copilot Studio includes a test pane with real-time activity-map tracing, variable inspection, conversation snapshot export, and automated test sets in preview. Microsoft's documentation is clear about one limitation: timer-based and inactivity-triggered events don't fire in the test pane and need to be validated in a live channel. It's a solid design-time validation tool but not a full simulation of production behavior.

The real constraint for support teams is not what Studio can do. It's the technical depth required to get there. The ServiceNow handoff integration alone requires an Azure Function as a relay, custom transformer configuration for handoff events, and ServiceNow Yokohama or later as a prerequisite. That's a development project, not a configuration task a support manager can own.

Data privacy and compliance

For the paid add-ons, Microsoft's commitments are explicit. From the official privacy documentation:

"Prompts, responses, and data accessed through Microsoft Graph aren't used to train foundation LLMs, including those used by Microsoft 365 Copilot."

The same commitment covers stored interaction history: according to Microsoft's privacy page, "The data is encrypted while it's stored and isn't used to train foundation LLMs, including those used by Microsoft 365 Copilot."

Processing runs through Azure OpenAI services, not OpenAI's public platform. Microsoft has opted out of Azure OpenAI's abuse monitoring for Copilot tenants. Certifications include major standards including GDPR, ISO 27001, HIPAA, and ISO 42001, and data residency commitments are available as of March 2024 for customers on ADR or Multi-Geo plans.

Microsoft also offers a Copilot Copyright Commitment: if a commercial customer faces a third-party copyright lawsuit over using Copilot or its outputs, Microsoft will defend the customer and cover judgments or settlements, provided the customer used the built-in guardrails and content filters.

What this means for support teams

Microsoft 365 Copilot is a capable productivity tool for organizations already running on Microsoft 365. The connector ecosystem is real and broad. The internal use cases (meeting summaries, document drafting, email triage) deliver genuine value. And for knowledge workers whose work lives in Teams and SharePoint, the time savings add up.

For customer-facing support automation, the picture is more involved. The productivity add-on is not a help desk tool. Building an agent that handles tickets end-to-end requires Copilot Studio, which requires developer time, Azure infrastructure, and IT admin resources for connector setup. A support manager who wants to adjust how the AI handles a specific issue, test a new response, or connect a new knowledge source cannot do that independently.

eesel AI takes the opposite approach. It's a self-serve AI support agent that a support team can configure, test, and adjust without a developer. It connects directly to help desk platforms like Zendesk and Freshdesk, ingests knowledge from Confluence, Notion, Google Docs, and past support tickets, and includes a simulation mode so you can test the AI against real historical tickets before it touches a live customer. Pricing is task-based at $0.40 per support task, with no per-seat fees and no annual commitment required. There is a $50 free trial with no credit card needed.

The takeaway

Microsoft 365 Copilot is a genuinely capable tool for knowledge workers already in the Microsoft ecosystem. The connector library is real and growing past 100 integrations. The data privacy commitments for the paid add-ons are explicit and well-documented. For internal productivity, it delivers.

For support teams that need to handle customer tickets, route escalations, and measure resolution rates, the calculus changes. Getting Copilot to do that work requires a developer investment that's proportional to how far outside Microsoft's stack your current tools sit.

If you want a support-specific alternative that a non-developer can set up and maintain, eesel AI is worth evaluating alongside your Copilot decision. Start a free trial with $50 in credits, no credit card required.

Learn more about Microsoft Copilot: Copilot alternatives, Copilot pricing, Microsoft Copilot, and comparisons like ChatGPT vs Copilot, Claude vs Copilot, and Gemini vs Copilot.