Outlook Group Storage File (.nst)

[AFalut]

Format name Outlook Group Storage File

Version number N/A

PUID N/A

Extensions .nst

MIME/Media Type N/A (or at least I didn't find one)

Description NST files are created by Outlook for local storage of conversations and other data from Microsoft 365 Groups.

References https://support.microsoft.com/en-us/office/introduction-to-outlook-data-files-pst-and-ost-222eaf92-a995-45d9-bde2-f331f60e2790

Vendor Microsoft

I don't have a proposed signature or sample files that I could share, unfortunately.