If "Soso.7z" refers to a specific document or file you are trying to open, it is likely a compressed file related to records or data downloads.
Install the free, open-source file archiver. Soso.7z
The Texas Secretary of State ( SOS ) uses .zip files for storing bulk filing records and images, requiring software like 7-Zip to open. If "Soso
However, the results indicate that "7z" files are frequently used as archive formats in technical contexts. Specifically: Soso.7z