49204141_2831112003685631_8359515808752535149_n.7z

Based on the filename structure, "49204141_2831112003685631_8359515808752535149_n.7z" appears to be a compressed archive containing a media file (likely a photo or video) originally downloaded from or Instagram .

Use 7-Zip , the official free and open-source tool for this format. 49204141_2831112003685631_8359515808752535149_n.7z

Always ensure you trust the source of a .7z file before opening it, as archives can occasionally be used to hide malware. Based on the filename structure