Hi @Hisham ,
Is it used for a long time storage or sharing in your Teams or groups?
For document storage, it is suggest to use OneDrive for Business in Teams. Files will be saved on cloud. The quota of OneDrive should be based on your license plan, usually it’s 1 TB and could be expanded to 5TB(needs to contact Microsoft).
For cooperation, you should consider using SharePoint Online in Teams. Files in channels are saved in SharePoint Online Document Library. About SharePoint storage limits, please refer to this link: SharePoint limits
Here is an official article about OneDrive and SharePoint that may help you: Collaborating with Teams, SharePoint, and OneDrive
Best regards,
Lou
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