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Why use multiple Google Drive accounts?
The number one reason people use multiple google drive accounts is to benefit from more storage space. Every free account of Google Drive comes with a limited amount of space, thus, creating more accounts ensures that you have plenty of space for all of your files. Of course, there are other reasons such as managing business accounts or simply wanting to keep things private from your personal ones.
Another reason might be if you are using a shared account with multiple users. This way, you both get access to the files in an easy and convenient form.
Nevertheless, the advantages of having multiple google drive accounts cannot be denied, as they offer a free alternative to cloud space, in a convenient way, and a great way to manage types based on their respective categories.