Choosing between Visio for desktop (full-featured) and Visio for the web (online, lighter) depends on the COMPLEXITY of your diagrams, your need for COLLABORATION, and your environment — here's how to decide. Visio DESKTOP (the installed application, Windows, Plan 2 or perpetual license): (1) The most COMPLETE and POWERFUL. It offers ALL the functionalities: all the templates (including specialized technical diagrams - network, UML, electrical, P&ID, etc.), complete and advanced data linking, validation of diagrams, creation of personalized shapes and templates, extensive customization. (2) FOR: ADVANCED needs, TECHNICAL or COMPLEX diagrams, INTENSIVE work, data linking, creating business templates. If you make serious and varied use of Visio, the desktop is necessary. (3) Limitations: Windows only (no macOS desktop version), local installation, real-time collaboration is less native than the web (although cloud integration exists). Visio FOR THE WEB (Plan 1, in the browser): (1) LIGHTER, ACCESSIBLE and COLLABORATIVE. Accessible from any browser (Windows, Mac, any device), without installation, with real-time CO-EDITING (several people on the same diagram, as in other Microsoft web apps), well integrated with Microsoft 365 (Teams, SharePoint, OneDrive). (2) FOR: SIMPLE to medium-sized diagrams, OCCASIONAL use, COLLABORATION (co-editing), working on Mac or mobile, integration with Teams. If you make common and collaborative diagrams, the web is sufficient and practical. (3) Limitations: it does NOT offer all the functionality of the desktop (some technical templates, certain advanced data or validation functions may be missing or limited) — although it is constantly enriched. How to choose: (1) ADVANCED / technical / data / custom template needs → DESKTOP (Plan 2). If you do specialized technical diagrams, advanced data linking, validation, or create your own templates, you need the desktop version. (2) SIMPLE to medium diagrams / collaboration / mobility / Mac → WEB (Plan 1). If your needs are covered by the web (organization charts, flowcharts, common diagrams) and collaboration/accessibility matters, the web is a good choice (lighter, less expensive, collaborative). (3) BUDGET: Plan 1 (web) is cheaper than Plan 2 (desktop + web) — don't pay for desktop if web is enough. (4) ENVIRONMENT: on Mac, the desktop version does not exist → web. In a collaborative team → the web facilitates co-editing. (5) Plan 2 ALSO includes the web (the better of both) — if you take the desktop, you get the web plus. A practical approach: (1) evaluate the COMPLEXITY of your diagrams (simple common → web possible; technical/advanced → desktop); (2) assess your need for COLLABORATION (co-authoring → practical web); (3) evaluate your ENVIRONMENT (Mac → web) and BUDGET (cheaper web); (4) in case of doubt and varied needs, Plan 2 (desktop + web) covers everything but costs more; Plan 1 (web) is sufficient for many common and collaborative uses. In summary: Visio desktop (Plan 2) is the most complete and powerful (all templates, advanced data, validation, custom templates — for advanced/technical needs, Windows); Visio for the web (Plan 1) is lighter, accessible everywhere and collaborative (co-editing, Mac, mobility — for common diagrams and teamwork), but without all the functions of the office. Choose according to the complexity of your diagrams (technical/advanced → desktop; common → web possible), your need for collaboration (co-editing → web), your environment (Mac → web) and your budget (less expensive web). Plan 2 also includes the web. Evaluate your real needs so as not to pay for what is unnecessary or be limited — this is the right reflex to choose your Visio offer.

This is a feature of Visio that often surprises: unlike Word, Excel, PowerPoint (included in most Microsoft 365 subscriptions), Visio subscribes to PART — and understanding why, as well as the alternatives, helps decide whether the investment is justified. Why Visio is special: Visio is a MORE SPECIALIZED tool than the basic “office” applications (Word, Excel, PowerPoint) that almost everyone uses. It aims for a more targeted use (the creation of diagrams, often technical or professional), for a more restricted audience (documentation professions, IT, processes, engineering, etc.). Microsoft therefore markets it as a separate product, with its own offers and prices - just as other specialized tools (Project for project management, for example) are sold separately. It is a logic of segmentation: universal tools are included, specialized tools are optional and paid for for those who need them. Is it necessary (is the investment justified)? It depends entirely on your NEEDS: (1) If you REGULARLY make SERIOUS diagrams (technical, process, complex, data-related) in a professional context → YES, Visio makes sense: it saves considerable time, produces professional and standardized deliverables, and its features (specialized shapes, automation, data, validation) have no equivalent in basic free tools. The investment is profitable through productivity and quality. (2) If you make OCCASIONAL and SIMPLE diagrams → the investment is more questionable; alternatives are sufficient (see below). ALTERNATIVES to consider: (1) PowerPoint / Word (already included): sufficient for SMALL simple diagrams (organization chart of a few boxes, basic flow). For simple occasional use, no need for Visio. (2) FREE online tools: draw.io (diagrams.net) is an excellent FREE and complete diagram tool (varied shapes, flowcharts, network, UML, etc.), which covers many needs at no cost. Lucidchart (freemium), and others, also exist. These tools are serious alternatives for those who do not want to pay for Visio, especially for common diagrams. (3) Visio for the web / Plan 1: a cheaper Visio offer (than Plan 2 for office) if you want Visio specifically but at a lower cost for everyday needs. When paying for Visio is really justified (vs free alternatives): (1) you need the SPECIFIC FEATURES of Visio (very complete standardized technical templates, advanced data linking, validation, advanced Microsoft 365 integration); (2) your organization is in the Microsoft ECOSYSTEM (Teams integration, SharePoint, Power BI) and Visio is the standard; (3) you want the richness and support of a mature Microsoft product; (4) the professional context expects/requires it. When a free alternative is enough: (1) common diagrams without very specialized technical needs; (2) limited budget; (3) no need for advanced data binding or deep Microsoft integration. draw.io then covers many needs very well. The key point (transferable skill): the DIAGRAMMING SKILLS you learn (choosing the right type of diagram, structuring clearly, applying standards, communicating visually) are TRANSFERABLE to any tool (Visio, draw.io, Lucidchart…). The important thing is the KNOW-HOW, more than the specific tool. If you don't have Visio, you can apply what this guide teaches in a free tool — the concepts are the same. In summary: Visio is paid separately because it is a SPECIALIZED tool (not universal like Word/Excel), targeting documentation/diagram professions. The investment is justified if you regularly make serious diagrams (technical, processes, data) in a professional context — the productivity and functionality make it profitable. For simple occasional use, alternatives are sufficient (PowerPoint/Word included, or free and complete draw.io, or cheaper Visio Plan 1 web). Evaluate your real needs and your budget; and remember that diagramming skills are transferable to any tool. If your business documents processes/systems and is in the Microsoft ecosystem, Visio is often justified; otherwise, consider the alternatives. This guide makes you competent regardless of your tool decision.