# How to access custom array product files (manifest and product definition files) in MyIllumina

1. Log in to MyIllumina from the [illumina.com](https://www.illumina.com/index-d.html) home page (or use this MyIllumina [Log in link](https://login.illumina.com/platform-services-manager/?rURL=https://my.illumina.com/webapp/wcs/stores/servlet/etpRedirectView\&clientId=myillumina#/)). To register for a Myillumina account, select **Don’t have an account**? on the login page.

**Figure 1.**\
![](/files/Ylwx1OqMbqZJzq7aekJ5)

2. Select **Settings**under the avatar tab, then select **Order Management** from the drop down menu as seen in Figure 2.

**Figure 2.**

![](/files/7hp4JVQLuoVhRPURCzcr)

3. On the top of the page, under **Tools** **>** select **Custom Products** as seen in Figure 3. **Figure 3.**\
   ![](/files/REDF1xrzxkkqB76IBEZJ)
4. If the custom products were ordered under this MyIllumina account, the product files are displayed and are available for download on this page.
5. If using a different MyIllumina account than the account used for ordering, scroll down to the section **Download Design Product Files,** then **Search product files (.txt, .opa, .bpm)** and input the following before selecting **Search.**
6. Sales or purchase order (PO) number.
7. Part number or the barcode, found on the BeadChip foil package (eg, 15017482 or 205012345678, respectively).

**Figure 4.**\
![](/files/eCqDPzGTpkPv8DpaAs9S)

**Note**: The Sales number and PO number is located on the packing slip as seen in Figure 5.

**Figure 5.**\
![](/files/d2LqDycRBzsB986qyV58)

Part number (Ref) and barcode (SN) are found on the label of foil package as seen in Figure 6.

**Figure 6.**\
![](/files/pvglXVwhL4NCTs4xNqIY)

6. In the search results page, select the desired file(s), then select the arrow in the **Download** column as seen in Figure 7.

\*\*Figure 7. ![](/files/ONUDLmtptLHpEsYbQz56)\
\*\*

If custom product files are not available, contact Illumina Technical Support at <techsupport@illumina.com>.

Cluster files (.egt) are not provided for custom arrays. For more information about creating custom cluster files:

* Search Knowledge Base for **GenomeStudio Genotyping: Creating Custom Cluster Files for Infinium Arrays Support Webinar Video**.
* Refer to the Tech Note [Infinium Genotyping Data Analysis](https://www.illumina.com/Documents/products/technotes/technote_infinium_genotyping_data_analysis.pdf).

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| *For any feedback or questions regarding this article (Illumina Knowledge Article #1531), contact Illumina Technical Support* [*techsupport@illumina.com*](mailto:techsupport@illumina.com?subject=Question%2FFeedback%20Regarding%20Illumina%20Knowledge%20Article%20#000001531%20-%20Microarray%20\&body=Dear%20Illumina%20Technical%20Support,%0D%0A%0D%0A)*.* |


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