No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.

Does it work on mobile?

Yes. The viewer is mobile-first and works on phones, tablets, and desktops.

categories.email.msg

MSG viewer

ready

MSG · .msg

Outlook saved email (OLE compound file).

Choose a fileor paste · ⌘V

About MSG

Outlook saved email (OLE compound file).

MSG is Outlook's compound-file format for saved emails. msgreader unpacks the OLE container and surfaces the standard MIME parts.

FAQ

What is a MSG file?: MSG is Outlook's compound-file format for saved emails. msgreader unpacks the OLE container and surfaces the standard MIME parts.
Is my file uploaded?: No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?: Yes. The viewer is mobile-first and works on phones, tablets, and desktops.

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