Visio Plan 1 Review: Browser-Based Diagramming for Occasional Users

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Visio Plan 1 is diagramming in a browser: no installed application, the premium template and shape range in the web editor, Power BI integration and 2 GB of OneDrive storage. The question it now has to answer is different from a few years ago, because Microsoft includes a basic web Visio with most commercial Microsoft 365 plans at no extra cost.

1. Buy it for people who edit diagrams regularly in the browser and need more than flowcharts and block diagrams.
2. Buy it where the diagrams live in SharePoint or Teams and the point is collaboration rather than authorship.
3. Buy it for machines where you cannot install software, or for people working on non-Windows devices.
4. Skip it for readers. Viewing Visio files is free for Microsoft 365 users, and this is the most commonly wasted diagramming licence.
5. Skip it if the free Visio in Microsoft 365 already covers what your amenders do, which for simple flowcharts and organisation charts it often does.
6. Skip it for authors of complex diagrams. Custom stencils, engineering templates and data linking need Plan 2 or a perpetual licence.

The free web Visio is included with the commercial Microsoft 365 plans – Business Basic, Standard, Premium, Apps for business and the enterprise and frontline plans – but not with the consumer plans or Microsoft 365 F1.

If you know which of your people author, amend and only read, you can stop here. The rest sets Plan 1 against the free tier and Plan 2, and explains where the browser runs out.

Why it happens

The browser editor covers everyday business diagramming properly: flowcharts, swimlane processes, organisation charts, cross-functional diagrams, network layouts, UML and the shape sets that go with them. Files are ordinary Visio files stored in OneDrive or SharePoint, so a diagram created on the web opens in the desktop application and the other way round, which makes a mixed team workable.

Collaboration is the strongest argument for it. Diagrams sit alongside documents in the same libraries, open inside Teams, take comments and keep version history. The old pattern of one person owning a drawing on their C drive and emailing pictures of it disappears, and for many teams that is worth more than any drawing feature.

What has changed the calculation is the free tier underneath it. Microsoft now includes a lightweight, web-based Visio with most commercial Microsoft 365 plans at no additional cost, covering basic diagrams – flowcharts, block diagrams, Venn and pyramid diagrams. Before buying Plan 1 for a group of occasional editors, put the free web Visio in front of them for a fortnight. If it does what they need, Plan 1 is a licence you do not have to buy.

Plan 1 earns its place above that free tier through range rather than through capability class. It brings the premium templates and shapes to the web editor, adds the ability to embed Visio diagrams in Power BI dashboards, and carries 2 GB of OneDrive storage for the files. It remains browser-only: there is no desktop application, and Microsoft’s own FAQ notes that certain diagram types included in Visio Plan 2 are available only in the Visio desktop app rather than on the web.

The limits are the ones you would expect of a web editor. The specialist engineering and software stencil libraries are absent, importing shapes is not supported, data linking to external sources belongs to Plan 2, and the older .vsd file format is not supported by the web app at all. A complex drawing made on the desktop will open, but not every element of it will be editable in the browser.

The practical test is the one that works for Office web applications generally. Take the diagram somebody actually maintains, open it in the browser, and make the change they make most often. If that works, the browser fits them. If it does not, no plan comparison will change the answer – and the fallback is easy, because the files are ordinary Visio files that an author with Plan 2 or a perpetual licence can open on the desktop.

Full reference

Four tiers, and who belongs in each

Sorting your people before you order

1. Count the readers. They need no Visio licence at all, and in most organisations they are the majority.
2. Test the free Visio in Microsoft 365 with the occasional editors. If their diagrams are flowcharts and organisation charts, that tier may be the end of the conversation.
3. Give Plan 1 to the people who edit regularly and need the wider template and shape range in the browser.
4. Give Plan 2 to authors: anyone using custom stencils, engineering or software templates, data-linked shapes or validation.
5. Revisit the split when roles change. These are per-user subscriptions, so moving somebody up or down is an admin centre change and the files are unaffected.

Where the browser runs out

• Custom and third-party stencils: the web app does not support importing shapes.
• The .vsd file format: the web app works with .vsdx, so convert older masters.
• Data-linked diagrams and validation rules, which are Plan 2 and perpetual Professional features.
• Fine control over printing at a set scale across multiple pages, which is a desktop strength; test that path with a real drawing before committing engineers to the web.
• Very large drawings with hundreds of shapes and heavy formatting, where the installed application pulls ahead.

Practical points

• Store diagrams in OneDrive or SharePoint rather than on a local disk, or none of the collaboration benefits apply.
• Plan 1’s 2 GB of storage is for diagram files and is not general cloud storage; users who already hold a Microsoft 365 plan have their own terabyte for everything else.
• Moving somebody from Plan 1 to Plan 2 is an admin centre change, and the files do not need converting.
• If one person authors and several amend, buy one Plan 2 and use the cheaper tiers for the rest rather than levelling everybody up.

Questions people ask about this