What is the best place inside Office 365 to store MXF files which have sizes between 35-50 GB

Refer to below:

1. OneDrive:
• File Size Limit: OneDrive supports files up to 250 GB, making it a suitable choice for your MXF files.
• Ease of Use: It integrates seamlessly with Office 365 apps, allowing for easy sharing and collaboration.
• Cloud Storage: Permissions and management are unified within the Office 365 environment.
2. Azure Blob Storage:
• Designed for Large Files: Azure Blob Storage is ideal for storing large, unstructured files like videos and media.
• Scalability: It can handle vast amounts of data without performance degradation.
• Advanced Media Handling: Azure integrates with Azure Media Services for encoding, streaming, and managing large files.
• Cost-Effectiveness: You can choose storage tiers (hot, cool, or archive) based on access frequency to optimize costs.