Sierra is the successor of Mac OS X El Capitan which was released with a number of major changes. Upgrading Mac OS X system to the higher versions of Mac operating system is now a common practice. Whilst upgrading your Mac system to Sierra, you might come accross issues that could lead to deletion or loss of videos and other vital media files.
All of these above described methods can lead to video files missing after upgrade to Sierra. Now, to overcome this issue of missing files from Macintosh drives, you need to use Video File Recovery app. You will need to employ this video recovery utility as Mac Sierra does not avail any inbuilt app or feature to bring back the permanently deleted or missing files.
The Video File Recovery software is an automated tool for retrieving lost video files from the Mac drive volumes with ease. It uses a rigorous recovery engine that deep scans the storage drive and extracts all files from it. You can utilize this handy application to restore missing MP4 video files, MOV video, AVI, DivX, XviD, MPEG, and various other file type formats. It is also capable to restoring image files and video files.
This efficient media restoration tool works on all Mac devices such as MacBook Air, MacBook Mini, iMac, iPod, and MacBook Pro in an easy set of steps. Moreover, it is also capable to retrieve video files from video files from various external storage drives- USB, HDD, SSD, memory cards, memory sticks, etc. Learn more about video file recovery from formatted SD card, by following the URL: http://www.videofilerecovery.net/recover-videos-from-formatted-sd-card.html
Step 1: Launch the Video File Recovery program on your Mac machine to restore missing video files after upgrade to Sierra.
Step 2: From the main screen options, select Recover Files.
Step 3: Pick the volume from where the videos are missing and press on the Scan button.
Figure 1: Main Screen
Step 4: Allow the software to complete the scan process.
Figure 2: Scanning for video files
Step 5: The found videos from the selected storage drive will be displayed on a new screen.
Figure 3: Recovery results
Step 6: Preview the video files in the list.
Step 7: Tick-mark the recovered files for saving.
Figure 4: Preview Window
Step 8: Now set a target location to save the files retrieved from the Mac drive and hit on the Save button.
Figure 5: Save Recovered Videos