Serialized Certificate Store Format
Microsoft
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Files with the SST extension are used in Windows systems. SST files are mainly associated with a data protection tool with certificates called Microsoft Crypto Shell Extension. The SST file itself is the certificate store. Files of this type can also be used as a format for exchanging certificates between devices.

SST is the most common file that can be found as the root certificate in the system. This solution is used for authorization when accessing data protected against unwanted access.

Updated 02/22/2022

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