Microsoft increases OneDrive's maximum file size to 250 Gigabytes


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Aug 17, 2014
Microsoft announced yesterday that it raised the file size limit of its OneDrive file storage platform to 250 Gigabytes per uploaded file for all Microsoft 365 customers.
The previous limit was 100 Gigabytes per file for paying customers, and the limit before that 15 Gigabytes per file.
The new limit applies to all Microsoft 365 customers and will be rolled out "by the end of January" according to Microsoft. General availability will be achieved by the end of the first quarter of 2021.
The new file size limit applies to uploads of files into OneDrive but also SharePoint and Microsoft Teams. All paying customers will benefit from the change, including home users.
Microsoft notes that it has noticed an increase in remote work and remote learning, and that files are getting larger and larger. Microsoft employee Ankita Kirti mentions 4K and 8K video files, 3D models, CAD files, and other types of files that require a lot of space.
"As remote work and learning increases so does the need to reliably and securely share large files-4K or 8K video files, 3D models, CAD files, or large scientific data sets-with co-workers, clients and peers."
The new file size limit is achieved through storage optimizations according to Microsoft. The company splits large files into chunks, each encrypted with a unique key, and backs them up on Azure Storage.