# 📺 File classification (pdf/mp4/png/jpg) in Baserow using nested formulas tutorial

**URL:** https://community.baserow.io/t/file-classification-pdf-mp4-png-jpg-in-baserow-using-nested-formulas-tutorial/9824
**Category:** Made with Baserow
**Created:** [March 31, 2025, 10:51am UTC](https://community.baserow.io/t/file-classification-pdf-mp4-png-jpg-in-baserow-using-nested-formulas-tutorial/9824 "2025-03-31T10:51:58Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![360Creators](https://community.baserow.io/user_avatar/community.baserow.io/360creators/32/3827_2.png) [@360Creators](https://community.baserow.io/u/360Creators)
#### Post date: [March 31, 2025, 10:51am UTC](https://community.baserow.io/t/file-classification-pdf-mp4-png-jpg-in-baserow-using-nested-formulas-tutorial/9824/1 "2025-03-31T10:51:58Z")

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In this tutorial I will explain how to do file classification. So to check if a file is a pdf, mp4, jpg, png or whatever else there is.

Timestamps:  
0:00 intro  
0:30 get all data on file attachment file  
1:48 using search to check file type extension  
2:24 using if formula to display file type  
3:00 nesting 3 formula fields into 1 formula field  
4:30 nesting if formulas into if formulas  
6:09 hire ronald

[![](https://img.youtube.com/vi/WC5sqlzy-K4/maxresdefault.jpg "File classification (pdf/mp4/png/jpg) in Baserow using nested formulas tutorial") ](https://www.youtube.com/watch?v=WC5sqlzy-K4)

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<div class="post-metadata">

### Author: ![olgatrykush](https://community.baserow.io/user_avatar/community.baserow.io/olgatrykush/32/219_2.png) [@olgatrykush](https://community.baserow.io/u/olgatrykush)
#### Post date: [March 31, 2025, 2:13pm UTC](https://community.baserow.io/t/file-classification-pdf-mp4-png-jpg-in-baserow-using-nested-formulas-tutorial/9824/2 "2025-03-31T14:13:36Z")

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Another excellent tutorial, @360Creators! Thank you! 🚀