Hello Julian,
Thanks for posting your question in this community. From your description, you would like to print a JPG file from onedrive online. I love helping other users in the Community by sharing my experience with Microsoft products.
- Sign in to your OneDrive account and open OneDrive.
- Right Click on the file you would like to print and navigate to open with other apps.
- At the top of the next screen, click Print
- You should see a new window letting you know that your file is ready to print.
- Once your document is open as a JPG, click on the Printer icon in the top right-hand corner to print your file
I hope this information helps you.
Please let me know if you have any more questions.
Have a great time ahead!
Thank you,
Amaka