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Upload Modules

HTML5 File API Module

File API Module is the preferred one. It is supported by all modern browsers such as IE10+, FireFox (3.6+), Chrome, Safari (5+), Opera, Safari for MAC. This module offers the richest functionality. When File API Module is used, RadCloudUpload can use the full functionally providedby the different Cloud Storage Providers. Files are uploaded on chunks in Azure Blob Storage and Amazon S3.

IFrame Module

IFrame Module is used to ensure compatibility for the older browsers, which don’t support HTML5 File API. Such browsers are IE9 or below. When IFrame Module files are uploaded at once chunks are not supported.

Upload Module Support

Upload Module Browser Support
File API FireFox (3.6+), Chrome, Safari (5+), Opera, Safari for MAC, IE (10+)
IFrame IE (7, 8, 9)

Chunks Support

Cloud Storage Provider File API Module IFrame Module
Telerik Backend Services (formerly Everlive) Chunks are disabled. File is submitted with a form. Chunks are disabled. File is submitted with a form.
Azure Blob Storage File is uploaded on chunks. Chunk size is 2MB. Chunks are disabled. File is submitted with a form.
Amazon S3 File is uploaded on chunks. Chunk size is 5MB. Chunks are disabled. File is submitted with a form.