If you have saved customized dimension styles to the dimension styles library file, you can import the dimension styles into your catalog dimension styles library or any project-specific dimension styles library.
To import dimension styles from a dimension styles library file:
Open the project you want to import dimension styles into.
Access the dimension styles library. How to
In the Dimension Styles dialog, click Transfer.
In the Open dialog, select the Dimstyles.dlb file (or whatever file you want to import dimension styles from), then click Open.
In the right pane of the Transfer dialog, select the custom dimension style you want to import, then click Import Item. Or, to import the entire list, just click Import All. The list in the left pane is updated.
Click OK.