If you stop using something, stop giving it permission to access your storage. It is not a good idea to let apps, services and software have continued access to your online files if you no longer use them. That app you used five years ago but haven’t used since, may still have permission to read and write files in your OneDrive or Google Drive.

Permissions are forever, unless you revoke them. None of these apps and services can access your online drive without your permission, but it is easy to forget about them long after we finished using them. For example, they may store data online to enable the app on different devices to sync, games may store your progress, backup software might use it as the backup destination, and so on. Some phone apps and some computer software and some services require access to your online drives in order to function. How can someone else gain access to your online storage at Microsoft and Google? Quite easily in fact. View and manage apps that have access to your OneDrive and Google Drive.

If you think that only you can access your Microsoft OneDrive and Google Drive storage, you are wrong.

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