Microsoft 365 Copilot vs Sally: Which AI Office Agent Is Right for You?

AI is changing how people work with documents, spreadsheets, presentations, and email. But choosing an AI office tool isn't just about which model produces the best answer. It's about how well the tool fits your workflow, which applications it supports, and whether it can help you complete real work.

Two options worth considering are Microsoft 365 Copilot and Sally, an AI-powered office agent designed to bring AI capabilities directly into office workflows.

Microsoft 365 Copilot offers deep integration with Microsoft's productivity and collaboration ecosystem. Sally focuses on AI-powered office tasks, flexible model options, support for multiple office environments, and a self-hosted enterprise deployment option.

Both products have strengths. This guide compares their capabilities, platform coverage, pricing approaches, and deployment options to help you decide which is right for you.

TL;DR

• Choose Microsoft 365 Copilot if you want AI integrated with Microsoft 365, including documents, spreadsheets, presentations, email, meetings, and organizational collaboration.
• Choose Sally if you want an AI agent focused on practical office workflows, support for different office environments, flexible AI model configuration, or a self-hosted deployment for your organization.
• Consider both if Microsoft 365 Copilot fits your collaboration needs but you also want to evaluate Sally for specific office tasks or deployment requirements.

The best choice depends on the applications you use, the tasks you need to automate, your licensing requirements, and your organization's security policies.

Microsoft 365 Copilot vs Sally: Quick Comparison

Features are subject to product edition, licensing, platform, configuration, and administrator policies. Confirm the availability of specific operations before purchasing.

1. Microsoft 365 Copilot: AI Built Into the Microsoft Ecosystem

Microsoft 365 Copilot is designed to bring AI into the applications and collaboration tools people already use.

Deep integration with Microsoft 365

Copilot works across supported Microsoft 365 applications, including Word, Excel, PowerPoint, Outlook, and Teams.

Depending on the experience and license, users can:

• Draft, rewrite, and summarize Word documents.
• Analyze spreadsheet data and generate formulas, insights, and visualizations in Excel.
• Create presentations from prompts or existing content and make supported slide edits in PowerPoint.
• Draft emails and summarize conversations in Outlook.
• Summarize meetings and identify action items in Teams.

These capabilities make Copilot a strong option for people who want AI assistance throughout their existing Microsoft 365 workflows.

Organizational context and collaboration

For eligible licensed experiences, Copilot can use organizational information available through Microsoft 365, subject to permissions and configuration.

This is especially valuable when employees need to work across email, meetings, shared documents, and other organizational resources.

Teams that already rely on Microsoft 365 may benefit from having these capabilities within a familiar collaboration environment.

Enterprise administration and governance

Microsoft 365 Copilot builds on Microsoft's identity, access management, administration, and compliance capabilities.

For organizations that already use Microsoft 365 as their standard productivity platform, this can simplify procurement, deployment planning, and governance.

Where Microsoft 365 Copilot fits best

Microsoft 365 Copilot is a strong choice when your organization prioritizes:

• Deep integration with Microsoft 365 and Teams.
• AI assistance connected to organizational work.
• Consistent collaboration experiences across employees.
• Existing Microsoft administration, licensing, and governance processes.

However, the best fit still depends on the specific capabilities included in your subscription and the workflows you need to support.

2. Sally: An AI Office Agent Focused on Getting Work Done

Sally brings AI capabilities into office applications and broader business workflows.

Rather than treating AI as a standalone chat interface, Sally is designed to help users work with the documents, spreadsheets, presentations, and communications they already handle every day.

AI-assisted Excel analysis and spreadsheet workflows

Spreadsheet work often involves more than answering a question. Users may need to understand unfamiliar data, generate formulas, analyze large datasets, create visualizations, or prepare results for reporting.

Sally supports natural-language formula generation, Python-based data analysis, and charting workflows.

For example, an analyst might ask Sally to examine a dataset, identify important patterns, and help prepare a chart or summary for a report.

For advanced operations such as pivot tables, pivot charts, slicers, or Office Scripts, verify that the specific operation is supported by your Sally edition and configuration before relying on it in production.

The important question is how effectively a tool supports your actual spreadsheet workflow, not simply whether it can generate a formula.

AI-powered PowerPoint workflows

Creating a presentation involves more than generating text. Users need to organize information, build slides, maintain consistent formatting, and refine existing content.

Sally supports AI-powered presentation generation, including workflows that generate slide decks from documents.

If your workflow requires editing existing slides, selecting shapes, or applying changes across multiple slides, evaluate those operations directly in the version you plan to use.

This task-based approach makes it easier to compare the amount of manual work required with your existing tools.

AI assistance for Outlook and everyday communication

Email workflows often include drafting replies, understanding long conversations, and coordinating follow-up actions.

Sally provides Outlook AI assistance for supported email workflows, while Sally Enterprise also includes email summaries and automatic calendar-entry capabilities.

Specific actions involving sending messages, moving emails, searching mailboxes, or managing calendars depend on the integration, permissions, and available features. Test these operations with your intended setup before deploying them broadly.

A broader AI workspace

Sally also offers a desktop AI experience beyond individual Office add-ins.

Depending on the edition and enabled tools, users can work with documents and other content in broader AI workflows, while enterprise deployments can provide agents, knowledge-base question answering, and document analysis through a browser-based workspace.

This makes Sally worth evaluating when your needs extend beyond a single Microsoft 365 application.

Where Sally fits best

Sally is particularly worth evaluating when you need:

• AI-assisted work across documents, spreadsheets, presentations, and email.
• Natural-language spreadsheet operations and Python-based data analysis.
• AI presentation generation and supported editing workflows.
• Office integrations for Microsoft Office, WPS, or OnlyOffice.
• Flexible AI model configuration.
• An enterprise deployment option that can run within your own infrastructure.

Sally and Microsoft 365 Copilot both support meaningful office work. The practical difference depends on which operations, integrations, and deployment models matter most to your organization.

3. Platform Flexibility: Microsoft Office, WPS, and OnlyOffice

Organizations do not always use a single office suite.

Some standardize on Microsoft Office, while others use WPS or OnlyOffice for specific teams, cost requirements, or existing workflows.

Sally Enterprise explicitly supports integrations for Microsoft Office, WPS, and OnlyOffice. This allows organizations to evaluate AI assistance without requiring every employee to migrate to the same office application.

Microsoft 365 Copilot, meanwhile, offers deep integration with Microsoft's own productivity and collaboration environment.

If your organization uses multiple office suites, the ability to preserve existing workflows can be an important consideration.

Before purchasing, confirm the exact integrations available in your chosen Sally edition and whether the required features are supported on your users' operating systems.

4. Enterprise AI: Cloud Convenience or Self-Hosted Control?

For enterprise buyers, deployment architecture can matter as much as application functionality.

The two products offer different approaches to delivering AI capabilities.

Microsoft 365 Copilot: A managed Microsoft service

Microsoft 365 Copilot operates within Microsoft's cloud services and Microsoft 365 environment.

Organizations can use Microsoft's administrative and security capabilities to manage access and support their compliance requirements.

This can be attractive to businesses that already rely on Microsoft 365 and prefer a managed service rather than operating their own AI application infrastructure.

Sally Enterprise: Self-hosted AI office capabilities

Sally Enterprise offers a self-hosted deployment option designed for organizations that want greater control over infrastructure, data storage, and model configuration.

Its enterprise offering includes:

• Self-hosted deployment: Run the application and database within your own infrastructure.
• Local model support: Use supported local models, including deployments through Ollama, for offline-capable operation.
• Centralized model management: Configure supported AI providers and model access through an enterprise model gateway.
• Audit logging: Maintain records of conversations and model calls for enterprise oversight.
• User and access management: Manage employees and permissions centrally.
• Office integrations: Distribute supported Office, WPS, and OnlyOffice add-ins across the organization.

These capabilities can be valuable for organizations with strict infrastructure requirements, internal AI initiatives, or a preference for managing their own AI environment.

An important distinction: self-hosting provides greater infrastructure control, but security still depends on the actual deployment, network configuration, selected models, and enabled integrations. If cloud model APIs are used, their data-handling arrangements must also be reviewed.

Which deployment model is right for you?

Choose a managed Microsoft environment when convenience and Microsoft 365 integration are your primary requirements.

Evaluate Sally Enterprise when you want to operate your AI office environment on your own servers, select supported local or cloud models, and manage enterprise AI workflows within your own infrastructure.

For regulated or security-sensitive environments, conduct a technical proof of concept and review the complete data flow before deployment.

5. Pricing: Compare Total Cost, Not Just the License

The cost of an AI office solution includes more than its advertised subscription price.

Microsoft 365 Copilot pricing and feature access depend on the applicable Microsoft 365 subscription, license, and usage model. Some Copilot experiences are available without the full paid add-on license, while advanced features require eligible licensing.

Sally offers individual subscription plans, while Sally Enterprise uses a separate enterprise licensing model.

When comparing the two, consider:

For individual users, the most useful comparison may be the cost of the features you actually use.

For enterprise buyers, compare the total cost of ownership, including deployment, infrastructure, administration, and model usage.

Official resources:

• Microsoft 365 Copilot licensing (opens in a new tab)
• Sally pricing (opens in a new tab)
• Sally Enterprise (opens in a new tab)

6. Which AI Office Tool Should You Choose?

Choose Microsoft 365 Copilot if:

• Your organization is standardized on Microsoft 365.
• Teams meetings, organizational context, and Microsoft collaboration workflows are central to your work.
• You want AI integrated with the Microsoft applications employees already use.
• Your IT team prefers Microsoft's existing administration and governance environment.
• The Copilot licenses available to your organization cover your required tasks.

Choose Sally if:

• You want an AI office agent for practical document, spreadsheet, presentation, and email workflows.
• You need to support Microsoft Office alongside WPS or OnlyOffice.
• You want flexibility in selecting supported AI models.
• You need a self-hosted enterprise option with centralized model management and audit capabilities.
• You want to evaluate specific office tasks before committing to a wider AI rollout.

Consider both if:

• Microsoft 365 Copilot already serves your collaboration and meeting needs.
• Certain spreadsheet, presentation, or cross-platform workflows warrant a separate evaluation.
• Your organization wants to compare different AI tools against measurable business outcomes.

Using both can make sense when their capabilities complement each other. It is worth doing only when the additional value justifies the cost and operational complexity.

7. Test Real Workflows Before You Decide

Feature lists can help narrow your choices, but hands-on testing is the best way to understand which tool fits your work.

Start with three representative tasks:

Excel: Use a realistic dataset. Ask the tool to generate a formula, analyze the data, and prepare a visualization. If your workflow depends on pivot tables, slicers, or scripts, test those operations explicitly.

PowerPoint: Start with an existing presentation. Ask the tool to improve its structure or make a specific set of changes, then assess the quality of the result and the amount of manual editing required.

Outlook: Test email drafting and summarization. If you need sending, mailbox organization, or calendar actions, verify the required permissions and confirm the results before enabling them for routine use.

Measure accuracy, time saved, manual corrections, and compatibility with your existing environment.

A short pilot will tell you more about real productivity than a generic feature comparison.

Try Sally

If you want to evaluate an AI office agent for your own workflows, explore Sally and test it with representative documents, spreadsheets, and presentations.

• Explore Sally (opens in a new tab) — Learn about the product and its office integrations.
• View pricing (opens in a new tab) — Compare individual plans and available options.
• Explore Sally Enterprise (opens in a new tab) — Learn about self-hosted deployment, enterprise administration, and model configuration.

The right AI office tool is the one that fits your workflow, meets your security requirements, and delivers measurable value to your team.