If you’re finding your Internet data seemingly disappearing without your knowledge, it’s important to consider how you’re using the devices you have connected to the Internet, as well as whether your devices are performing background actions, using Internet data while appearing to be shut down.
Netflix™
Crave
Amazon Prime
Apple TV, Smart TVs
Youtube videos
Twitch
Disney+
Game downloads
Updates
Any streamed gaming content
Game downloads
System or game updates
Any streamed video or gaming content
File upload and download
The larger the file, the more data it requires to download.
Music
Video
Images
PDFs, Adobe Photoshop files, Microsoft Word and PowerPoint documents
Files sent through email
Any cloud service has high usage: iCloud automatically sends a full update of your existing data every time it updates.