Aunsoft MTS/M2TS Converter for Mac is a great Mac M2TS/MTS File Joiner which not only helps you to perfectly convert or edit M2TS, MTS files, but also gives you the easiest way to combine, merge, and join M2TS files into only one with one click on Mac OS. So if you have lots of M2TS, MTS files, and want to joined m2ts files, or also keep 5.1 channels, please try this all-in-one M2TS/MTS File Joiner right now. You can keep on reading this article to help you process it step by step: First, free download Aunsoft Mac M2TS/MTS Converter, install and run it. Step 1: Add .m2ts or .mts video files you want to merge into this program. Click "Add" button to load .m2ts or .mts video files into this program, batch conversion is supported, so you can add more than one at one time. Step 2: Merge/Join/Combine M2TS files or MTS videos to only one file and select output format. Once all the M2TS or MTS video files are loaded, you only need to check the box "Merge into one file" on the main interface, only one click. Then you can select the output format you need from the drop-down list "Format". If you need, you can also set destination folder from the "Browse". If not, the output files will be saved in the default folder automatically. Step 3: Click the "Convert" button to start video conversion and M2TS/MTS files joining at the same time. In the conversion process window, you can see some useful information you may want to know, like Time elapse, Estimated left, Generated size and estimated size, and choose shut down computer after conversion. Tip1: This Mac M2TS/MTS File Joiner is also a good editor. If you want to edit the videos before merging or joining, you can click the "Edit" button to trim, crop, add effect, deinterlace, replace audio, flip video and so on. Tip2: This Mac M2TS/MTS File Joiner offers you the special function to adjust audio and video parameters by clicking the "Settings" button. Then you can select codec, bit rate, frame rate, size, resolution like 1080i, 720p, 1080p, etc, and the aspect ration and so on. Wish this article help you to merge M2TS files or MTS files into one with ease on your Mac.