After a complex test and specially picked out, we denied bad joiners for ASF. Ultra ASF joiner currently is the best ASF Video joiner, which can join ASF video files perfectly. with this ASF joiner, you can also join ASF with other video formats together,such as join MPEG, AVI, RM, MP4 with ASF, this ASF 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 ASF joiner you can even convert video files to other video formats you want.
Guide: How to use the best ASF Joiner -ASF file joinerStep 1: 
Free download ASF 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 ASF video files, if you like.
Click on the source file you want to edit, then click
button to edit the selected file, you can set the start time and the end time, as the following picture :
Step 4: 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 Butt
on to join the ASF video files.
After successful join ASF video files, the joined video files shall be stored in the folder you have previously selected. Download free version
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