Most Altium files are saved in the native format .intLib. However, you may occasionally run into cases where they're saved as .lia. After unzipping the file, check the extension of the file you downloaded and follow the relevant instructions below.

For Native format (.intlib):

Follow these steps to import symbols & footprints into Altium Designer using the .intlib format:

  1. Double-click the downloaded .intlib file or drag & drop the downloaded .intlib file to the Altium window.
  2. A pop-up window will appear. You have a choice to Extract Sources or Install Library.

    Extract Sources will allow you to open the library into the Projects window as an Integrated Library project.

    Install Library will install the library and add it to your Libraries Panel.

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For P-CAD format (.lia):

**Before import, make sure the P-CAD importer is installed. To do so, follow these instructions here.**

Follow these steps to import symbols & footprints into Altium Designer using the .lia file.

  1. Open Altium
  2. Drag the .lia file into Altium. This will invoke the P-CAD Import Wizard.
  3. Click Next until you reach the Current Layer Mapping window.
  4. If present, map the layers as follows:
    For Layer '10', choose: Mechanical Layer 1
    For Layer '20', choose: Mechanical Layer 13
    For Layer '21', choose: Mechanical Layer 15
  5. Follow the remaining prompts to complete the import
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