How to install RevitLookup

Post updated 20 March 2021 with the latest links

RevitLookup is a free, open-source add-in for Revit, which you can use to explore the Revit API.

You will find it invaluable for working out which Revit element properties you can use in PropertyWizard.

In this post, I am going to explain how to download and install RevitLookup, and then in future posts I’ll explain how to use it with PropertyWizard.

How to download RevitLookup

The quickest way to get RevitLookup is to download and run this installer from GitHub:

https://github.com/jeremytammik/RevitLookup/blob/master/installer/Revit%20Lookup-SetupFiles/Revit%20Lookup.msi

Just click on the image to go to the GitHub installer page, and then click the Download button (highlighted in yellow in the image) to start the download.

Once you have downloaded the installer, you can Open or Run it. It’s a pretty straightforward installation – there’s no complex configuration to do! When you restart Revit, you should find the Revit Lookup button on the Add-Ins tab of the ribbon:

RevitLookup button

Read on for more background on RevitLookup, or have a look at this post for some more details about how to use RevitLookup.

RevitLookup background

This section has more background on RevitLookup, and details of alternative ways to download and install it.

RevitLookup is an open source add-in for Revit, maintained by Jeremy Tammick of Autodesk, on GitHub:

https://github.com/jeremytammik/RevitLookup

The installer we downloaded above is maintained by Harry Mattinson of BoostYourBIM. He posts in his blog whenever there is a new update:

https://boostyourbim.wordpress.com/2020/04/15/revit-lookup-install-for-revit-2021/

Other ways to install RevitLookup

Since RevitLookup is open-source, you can download the source code from GitHub and compile it yourself.

There are also compiled builds available at Lookup Builds. These don’t come with an installer, so you have to install them manually.

https://lookupbuilds.com/index.html?prefix=releases/

You’ll want to download the latest build for each version of Revit that you want to run Revit Lookup in.

Each build is stored as a compressed 7zip file, so you will need a copy of 7zip to unpack them. 

Contents of one RevitLookup build, opened in 7zip

Within each build package there are two files:

  • RevitLookup.dll, which is the compiled code of the add-in
  • RevitLookup.addin file, which is the ‘manifest’ file for the add-in

To install the files, place the .dll and .addin for each Revit version in the relevant Addins folder on your computer:

C:\ProgramData\Autodesk\Revit\Addins\<RevitVersion>

That’s all for this post: In future posts I’ll talk about how you can use RevitLookup to add more power to your PropertyWizard formulas.

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