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Overview
Exporting a copy of your OneDrive data is useful when you’re moving to a new device, creating an offline backup, or preparing for your account access to be disabled. You can export your files by downloading them directly from the OneDrive web interface.
How to make a backup
1. Go to the One Drive website by clicking "My files - OneDrive" or by going to your email and clicking the "waffle" icon and then "OneDrive".

2. Click on "My Files" to see all your created files

3. Press "CTRL" + "A" to select all files or manually chose the files you wish to save.
4. Press "Download". This will make a ".zip" file with all of you files inside.

Additional Information
File Size Considerations - Large exports may be split into multiple .zip files when using the web download method. If this happens, extract each zip separately but keep them organized together.
Storage Space Requirements- Ensure you have enough disk space for the full OneDrive export. Compare your OneDrive usage in the web interface with your local drive’s free space.