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I have seen people giving maximum file size of 4.5 MB for custom lightning upload. I want to get confirmation for the same. Anyone who knows can you please let me know. With custom lightning upload I mean:

<lightning:input type="file">
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The maximum size that you can upload using the lightning:input as documented is 1MB unless you chunk the files to be able to load 4MB.

Files uploaded using type="file" are subject to a 1 MB size limit, or about 4 MB if you chunk the files. You must wire up your component to an Apex controller that handles file uploads. Alternatively, use the lightning:fileUpload component for an integrated way to upload files to records.

With lightning:fileUpload, you can upload a file size of maximum 2GB.

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  • Thank you so much for the confirmation. It clears my doubt. Marking it as a best answer
    – user3289350
    Commented Aug 20, 2019 at 18:44
  • +1 . You can select larger files in ` lightning:input`, its just you wont be able to transport them to apex.
    – Pranay Jaiswal
    Commented Aug 20, 2019 at 18:53

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