If you are having trouble viewing the file, you can use the following methods to convert it to a more standard format like .jpg :
The .jfif (JPEG File Interchange Format) extension is a variation of the standard JPEG format. Many users have reported that images downloaded from Twitter or through certain browsers like Microsoft Edge are frequently saved with this extension. sikx_rin_Ff2YY2BXwAAwQuN.jfif
The pattern Ff2YY2BXwAAwQuN is characteristic of the unique IDs Twitter assigns to media uploads. If you are having trouble viewing the file,