Ultra MOV joiner currently is the best MOV joiner, which can join MOV video files perfectly. with this MOV joiner, you can also join MOV with other video formats together,such as join MPEG, AVI, RM, MP4 with MOV, this MOV file joiner also support join video files to VCD/SVCD/DVD image files, and then you burn them into your VCD/SVCD/DVD disk. with this MOV joiner you can even convert video files to other video formats you want.
Allok MOV Joiner is a powerful tool to join multiple MOV, MP4, RM, AVI, Divx, XviD, MPEG, ASF, MOV, 3GP files into one large file. It also supports join MOV video files to VCD/SVCD image and DVD-Video files, so you can burn them into one VCD/SVCD/DVD disc easily by using third-party buring tools. as the operation of Ultra MOV video joiner is simillar with Allok MOV joiner, so I only list the guide of How to use Allok MOV video joiner
Guide: How to use Allok MOV Video Joiner Step 1: 
Free download MOV Joiner and install it on your computer.
Step 2:Click 
Button to select the video files you want to join
Step 3:Edit the source MOV video files, if you like.
Click
button to edit the selected file, you can set the start time and the end time, as the following picture :
Step 3, Sepcify the directory for output files by clicking the 'Change...' button, or just use the default directory (Note: after successful join, pls click Open button to find where the file stored, if u try to find the converted file via other way, you may can not see the joined file)
Step 5, Sepcify other settings for advanced user, you can set output quality, frame rate, TV type, Aspect Ratio, Add letterbox and so on.
Step 6, Click
Button to join the MOV video files.
After successful join MOV video files, the joined video files shall be stored in the folder you have previously selected.
Convinced? 
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UltraMOV joiner operation is quite similar as the guide above, just free download them and enjoy by youself.