# How to Convert SMD Tool's Unit Cell Data for SMD PRO

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Click 'MACROS' in the sidebar in SMD PRO.
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Click the button 'SELECT FILE(S)' and select unit cell data file(s) in csv format that were used for SMD Tool.

<figure><img src="/files/oS3jpbcav7udyG8RIZlw" alt="" width="543"><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Click CONVERT. New csv files with the format compatible with SMD PRO will be created in the directory where the original files are. You can use the converted files to load the unit cell data to Unit Cell Library in SMD PRO (see [How to Add User-Defined Unit Cell to Unit Cell Library](/docs/smd-pro/topical-discussions/how-to-add-user-defined-unit-cell-to-unit-cell-library.md) for details).
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