You can import a text file containing component data into the  Component Library. The comma-separated value (CSV) or other character delimited file you import  is created when you or another user exports a Component Library.
To import parts from a file:
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From the CircuitWorks Component Library dialog box, click .
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From the Select File To Import dialog box, select the file type and file, then click Open.
 
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Select the Custom Delimited Text File (*.txt) file type to import a text file that uses the delimiter specified in CircuitWorks Options - Library, vertical bar (|) by default.
- Select the Mapping File (*.xrf) file type to import a Desktop EDA SolidWorks IDF Modeler mapping file.