What Is the File Extension SFV?
An SFV file comes with downloaded software packages and is typically used to confirm that the downloaded data is in its correct and original form. SFV files are used with checksum applications to verify the integrity of a grouping of files. • Function • SFV files are used with a CRC Check application to confirm that downloaded files have not been corrupted while downloading. • Significance • In the days when dial-up modems were popular, it was necessary to verify downloaded data to make sure that it was the full, uncorrupted original. SFV files came about to fulfill this need. • Types • There are several other types of checksum files, including the more popular MD5 variant. • Considerations • SFV files typically come with freeware and “warez” files that have been passed around the Internet freely. This file is typically included in the RAR (compressed) format so the user can verify that the RAR has gone unchanged from its original intent. • Identification • SFV files can be opened in N