{{Cleanup section|reason=The YouTube link in this section needs to be moved to the external links section.|date=March 2023}}
On 18 December 2015, a test pattern began broadcasting on channel 76, reading "New Channel Coming Soon".<ref name="testpattern">{{cite web |url=http://eftm.com.au/2015/12/channel-7-launching-new-channel-could-hd-be-coming-24329 |title=Channel 7 launching new channel – Could HD be coming? |first=Trevor |last=Long |date=18 December 2015 |access-date=7 February 2016}}</ref> Seven acknowledged the broadcasbroadcast,t and director of programming, Angus Ross, formally announced on 1 February 2016 that Seven was launching a new channel, and more details would be released soon.<ref name="TVTtease">{{cite web|publisher=[[TV Tonight]]|first=David|last=Knox|url=http://tvtonight.com.au/2016/02/programmers-wrap-2016-seven.html |title=Programmer's Wrap 2016: Seven |date=1 February 2016 |access-date=7 February 2016}}</ref> During the ad-break of miniseries ''[[Molly (miniseries)|Molly]]'' on 7 February 2016, Seven announced that channel 76 would be named ''7flix'', and would be launched on 28 February 2016.<ref name="AdNewsLaunch">{{cite web|url=http://www.adnews.com.au/news/seven-launches-new-channel-7flix|title=Seven launches new channel - 7flix|first=Pippa|last=Chambers|work=AdNews|date=8 February 2016|access-date=8 February 2016|archive-date=8 February 2016|url-status=live|archive-url=https://web.archive.org/web/20160208013402/http://www.adnews.com.au/news/seven-launches-new-channel-7flix}}</ref><ref name="DeciderLaunch">{{cite web |url=http://decidertv.com/page/2016/2/8/video-seven-releases-first-details-for-new-multi-channel-7flix |title=Video: Seven releases first details for new multi-channel 7Flix |last=Perry |first=Kevin |date=8 February 2016 |publisher=DeciderTV |access-date=8 February 2016 |archive-date=11 February 2016 |archive-url=https://web.archive.org/web/20160211212938/http://decidertv.com/page/2016/2/8/video-seven-releases-first-details-for-new-multi-channel-7flix |url-status=dead }}</ref><ref name="mUmBRELLALaunch">{{cite web |url=http://mumbrella.com.au/7flix-channel-76-seven-new-channel-344755 |title=Seven reveals new channel – 7flix |last=Burrowes |first=Tim |date=7 February 2016 |publisher=mUmBRELLA |access-date=7 February 2016}}</ref><ref name="TVTlaunch">{{cite web|publisher=[[TV Tonight]]|first=David|last=Knox|url=http://www.tvtonight.com.au/2016/02/7flix-to-launch-feb-28.html |title=7flix to launch Feb 28 |date=8 February 2016 |access-date=8 February 2016}}</ref> The "New Channel" test pattern then was replaced with a continuous promo loop for 7flix.
7flix began broadcasting at 6am on 28 February 2016 in MPEG-4,<ref name="ontheair">{{cite web|publisher=[[TV Tonight]]|first=David|last=Knox|url=http://www.tvtonight.com.au/2016/02/7flix-is-on-the-air.html |title=7flix is on the air |date=28 February 2016 |access-date=28 February 2016}}</ref> as seen in a YouTube video showing the promo loop ending and a re-run of [[Once Upon a Time (TV series)|Once Upon A Time]] starting afterwards.<ref name="auto">{{cite web|url=https://www.youtube.com/watch?v=jtVUSHagtOs|title=7Flix launch, watermark, PRG, promos|last=Australian TV Fan|date=27 February 2016|via=YouTube}}</ref> The channel airs movies in its prime time slots with television series and other entertainment at other times.<ref>{{cite web |url=http://decidertv.com/page/2016/2/27/complete-guide-to-week-one-of-7flix-channel7 |title=7Flix launches Tomorrow - Here's your Week One Guide |last=Perry |first=Kevin |date=28 February 2016 |publisher=DeciderTV |access-date=28 February 2016 |archive-date=11 March 2016 |archive-url=https://web.archive.org/web/20160311063029/http://decidertv.com/page/2016/2/27/complete-guide-to-week-one-of-7flix-channel7 |url-status=dead }}</ref> 7flix was added to Seven's live-streaming service, [[PLUS7|PLUS7 Live]], upon its launch.