# Device data bundle (DDB) 💾 Typical file size **10–100 MiB** 💽 Media type `application/zip` The device data bundle allows our support team to peek into everything from system logs to raw measurement files. It allows us to help you better and faster! {% content-ref url="../../../troubleshooting/contact-our-support-team" %} [contact-our-support-team](https://help.sbtinstruments.com/troubleshooting/contact-our-support-team) {% endcontent-ref %} {% hint style="danger" %} ## Only for our support team The structure and content of the DDB may change without any notice. Don't rely on the DDB for measurement data or the like. {% endhint %} ## File name Usually, the file name is something like `bb2241039-2026-01-09.zip` that includes both the ID if your device (`bb2241039`) and the current date (`2026-01-09`). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.sbtinstruments.com/encyclopedia/software/file-formats/device-data-bundle-ddb.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.