The anticipated Samsung Galaxy Tab S3 is rumored to be released on July 15. As the successor of the Galaxy Tab S2, the Galaxy S3 will offer something better. The Galaxy Tab S3 will have two different variants: the first variant is expected to have an 8-inch screen size while the other variant has a 9.7-inch screen. As for the hardware specs of the device, it will include an AMOLED display with 1536 x 2048 pixel screen resolution, 3 GB of RAM, Qualcomm's Snapdragon 652 and the company's very own Exynos 5433 chipset, 32 GB of internal memory which can be expanded via a microSD.
Samsung Galaxy Tab S3 Supported File Formats
For movie fans who are going to play local stored video on Galaxy Tab S3 when they are out for traveling, one of the big concern is the format compatibility of the device. Like its predecessor, Galaxy Tab S3 has very limited support for a few file formats including WMV9, WMV7, WMV8, H.264, MPEG4, Xvid, DivX, H.263, and VP8 video codecs. If you plan to play files with the format MOV, MKV, FLV, VOB, Tivo, H.265/HEVC, MXF, AVCHD, XAVC/XAVC S, etc on it, you will fail to open them on Galaxy Tab S3.
Play unsupported file formats on Galaxy Tab S3
If the default video player app on Galaxy Tab S3 fails to play the video, you can opt to download some free android video player apps such as BSPlayer, DicePlayer, Gplayer, MoboPlayer, MX Player, VLC for Android, etc. However, all those free video player apps will have their own bugs during the video playing process, in addition, some may be not powerful enough to handle certain codecs. To fix all those issues, a powerful Galaxy S3 video conversion app - Pavtube Video Converter Ultimate for Windows/Mac (best video converter ultimate review) is highly recommended to you. The program can assist you to convert virtually any file formats (including Blu-ray and DVD disc) to Samsung Galaxy Tab S3 playable formats listed above or directly output Galaxy Tab S3 preset profile formats with all the suitable profile parameters such as codec, bit rate, resolution, frame rate, sample rate, channels, etc.
Compress Video for Samsung Galaxy Tab S3
Do not have enough space on Galaxy Tab S3 for storing much video, never mind, you can easily compress video to small file size with this video compressor software in different ways: adjust output video resolution to compress 4k to 1080p or 1080p to 720p, trim or cut video to remove unwanted part or segments in the video, lower video bit rate or split video by small parts by file size, count or length.
How to Transfer and Play Unsupported Blu-ray/DVD/Video on Galaxy Tab S3?
Step 1: Add media resources to the program.
Launch the program, click the "Folder" or "Video" icon to load source video movies from your local computer to the program. For loading Blu-ray or DVD disc, insert your Blu-ray or DVD into your computer's internal optical drive or external USB drive, then click "File" > "Load from disc", when both Blu-ray or DVD exists, the program will load DVD disc first.
Step 2: Define output file format.
Tap on the "Format" bar, you can either choose Samsung Galaxy Tab S3 best compatible MPEG4 or H.264 as output file format, or directly output Galaxy Tab S3 preset profile formats from "Samsung" > "Samsung Galaxy Tab H.264 (*.mp4)".
Step 3: Compress video for Galaxy Tab S3.
Adjust output file size and bit rate
Open "Profile Settings" window, here you can reduce video file size by output file resolution or bit rate with small values.
Trim video file size
Click "Video Editor" icon on the main interface to open video editing window, switch to "Trim" tab, drag the slider bars to set the start time and end time to select only your wanted parts to be converted.
Split video
Click the "Split" button 
under file list to launch the "Video Split" window. Checking "Enable" to enable it, and then you can split the file by file count, time length, or file size.
Step 4: Step 4: Start Blu-ray/DVD or video to Galaxy Tab S3 conversion process.
Hit right-bottom "Convert" button to begin the conversion to Galaxy Tab S3 supported file formats.
After the conversion, feel free to transfer video to Galaxy Tab S3 for viewing when you are on the move.
