# Save file from pynq Z1 to SD card

**URL:** <https://discuss.pynq.io/t/save-file-from-pynq-z1-to-sd-card/3245>\
**Category:** Support\
**Created:** [November 3, 2021, 1:44am UTC](https://discuss.pynq.io/t/save-file-from-pynq-z1-to-sd-card/3245 "2021-11-03T01:44:52Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![marioruiz](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/marioruiz/32/2177_2.png) [@marioruiz](https://discuss.pynq.io/u/marioruiz)\
**Post date:** [November 3, 2021, 3:27pm UTC](https://discuss.pynq.io/t/save-file-from-pynq-z1-to-sd-card/3245/4 "2021-11-03T15:27:05Z")

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In that case,

You can use the `boot.py` file

> [@Auto - run notebook at board startup](https://discuss.pynq.io/t/auto-run-notebook-at-board-startup/2620/2):
>
> Have a look at your SD card on your host computer. (i.e. Plug it in to your SD card reader) The boot.py script allows you to run things at boot. Cathal

Mario

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