Power BI Desktop is where you typically prepare data, build a semantic model, and author reports. Power BI Service is the cloud platform where you publish that content for collaboration, sharing, distribution, and viewing. Most teams use both: create in Desktop, then publish to a service workspace.
Power BI Desktop vs. Power BI Service at a glance
| Task | Best place to start | Why |
|---|---|---|
| Prepare and transform source data | Power BI Desktop | Desktop includes Power Query and data-preparation capabilities. |
| Define relationships and calculations | Power BI Desktop | Desktop provides semantic modeling features, including relationships and DAX. |
| Design and author an interactive report | Power BI Desktop | Microsoft describes it as the report-development app. |
| Make a report available online to colleagues | Power BI Service, after publishing | Publishing sends the model and report to a service workspace. |
| Collaborate on shared content | Power BI Service workspace | Workspaces provide a shared environment with roles that govern access. |
| Distribute curated content to an audience | Power BI Service app | Apps package content for distribution and can target audience groups. |
| Provide unrestricted public viewing | Publish to web, only when public exposure is intended | Anyone can view the content without authentication, and model data may be exposed. |
Microsoft’s Power BI overview explains the distinction: Desktop is the development app, while the service is the cloud platform for publishing and collaboration.
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What Power BI Desktop does
Desktop is a Windows application for building reports and the semantic models behind them. A creator can connect to data, use Power Query to transform it, define relationships and calculations, and lay out interactive report pages. It is the natural starting point when the job is to shape data or develop a report.
Desktop work is saved in a local Power BI Desktop file. That file is an important part of the workflow: publishing sends content to the service, but it does not make the original file a live, two-way mirror of the cloud version.
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What Power BI Service does
Power BI Service is the cloud environment for making reports and models available online. After publishing, you can organize content in workspaces, work with colleagues according to assigned roles, and distribute finished material through apps. People can also consume reports in the service.
Service features are not identical for every account. Sharing and collaboration depend on the users’ licenses and on the capacity hosting the content. Microsoft distinguishes Free, Pro, and Premium Per User licensing; the available actions and who can access shared content vary by scenario. Check Microsoft’s current Power BI service features by license type guidance for your workspace capacity and intended recipients rather than assuming that one blanket license rule applies.
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How publishing from Desktop to the service works
- Build or update the report in Desktop. Prepare the data, model, and report pages in the source file.
- Publish to a service workspace. The service receives a semantic model with the same name and the report created in Report view. See Microsoft’s guide to publishing from Power BI Desktop.
- Manage the online content in the service. Use a workspace for team work, or package appropriate content in an app for an audience.
- Keep track of which copy you edit. Changes made to a report in the service are not saved back to the original Desktop file. Manage the source file deliberately so later Desktop updates do not conflict with cloud-side changes.
Workspaces and apps solve different sharing needs
Use a workspace for collaborative production
A workspace is a shared environment for a team to create, organize, and manage Power BI content. Workspace roles control what members can do, so access should be assigned to match each person’s responsibilities.
Use an app to distribute finished content
An app packages content for an audience. Recipients can interact with the reports in the app, but generally do not edit the app’s contents. This makes apps a distribution option when the audience needs to consume curated material rather than help produce it. Microsoft describes these choices in its guidance on collaborating and sharing Power BI content and publishing an app in Power BI.
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Why Publish to web is not private sharing
Publish to web creates public access without authentication. Microsoft warns that viewers may be able to access underlying model data even when that data is not shown in the report. Do not use this option for confidential, personal, or proprietary material; it is not a substitute for sharing with named people or using controlled workspace access. See Microsoft’s Publish to web guidance before enabling it.
Quick Recap
Which one should you use?
- Choose Desktop when you need to connect to and prepare data, build the semantic model, or author a report.
- Choose the service when you need to publish, collaborate with a team, distribute finished content, or view reports online.
- Use both for the common workflow: develop in Desktop, publish to a workspace, then manage access and distribution in the service.
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