Revit macro to tag all: how it works, and why it does not scale
Tag elements with a Revit macro in Macro Manager. See the steps, then why macros do not hold up across projects, Revit versions, and production tagging.
The working method
- Open Macro Manager from the Manage tab and create a module at the project or application level.
- Write a macro that collects the elements in the active view with a
FilteredElementCollectorscoped to the view. - Open a transaction, and for each element create a tag with
IndependentTag.Create. - Run the macro on a copy of a small test view, and check the tags.
Where it breaks
It works on the view you tested. Linked models, section views, rotated views, fabrication parts, and crowded sheets each need separate handling, and the macro was not built for them. It is not general across projects.
Placement. Putting a tag on an element is easy. Putting it where it avoids every duct, fitting, and other tag needs the drawn 2D footprint of each element and the real size of each tag. Much of that part of the Revit API is undocumented.
Your firm's standard. Tag position, leader rules, and where size and elevation sit have to be written and kept up by hand.
Sharing and upkeep. A macro lives in a project or in one machine's application, so spreading it across a team and keeping everyone on the same version is its own job. Revit changes the API and runtime between releases, Revit 2025 moved to .NET 8, and macro handling changed with it.
No safety net. A macro that edits or deletes the wrong thing has no undo for the whole run unless you add it, and a crash costs the unsaved work, because Revit has no autosave.
The time trap. Spending half of a four-hour task on a macro that does not work, then finishing by hand, is a common loop, and every new edge case sends you back in.
What it costs
A macro is a fine way to learn the API or to do a one-off task. For tagging production sheets, RayCAD is the maintained plugin, across Revit 2021 to 2027. Read the full build vs buy comparison, and see how RayCAD runs inside Revit.
What building a Revit tagging macro yourself really costs
- Time. Whoever builds and maintains the script is doing software development instead of the billable engineering and drafting work they were hired for.
- The AI loop.With Claude or ChatGPT it becomes an endless loop of “fix this”, “now fix that”. Each fix can break a case that worked before, and nobody on the team owns the code.
- Cost. Hours spent building and maintaining scripts, times your hourly rate, against $200 per month for RayCAD for the whole company.
You can build a Revit tagging macro, and this page shows how. For production MEPF sheets, RayCAD is the cheaper and safer choice. Try it free for 15 days.
Frequently asked questions
Can a Revit macro tag all elements?
Yes. A macro written in Macro Manager can collect the elements in a view and create a tag for each one through the Revit API.
Where do Revit macros live?
In the project file or in the application, depending on the macro level you choose in Macro Manager.
Are Revit macros reliable for production tagging?
They suit small, personal tasks. Production tagging needs edge-case handling, undo, and upkeep for each Revit release, which a macro does not give you.
Do macros need rewriting between Revit versions?
Often. Revit changes its API and runtime between versions, and macro handling changed in Revit 2025.
Sources
- Autodesk, migrating from .NET Framework 4.8 to .NET 8 (Revit 2025) (checked October 21, 2026)