Merging/Combining Two MP4 Videos Into One Video

[dgfitzpat111743]

Let's say that I have two 60 minute videos that have been individually exported and are now two separate MP4 videos with no additional rendering required.  Is there software that would allow me to combine the two clips into one 120 video?  I know that I could create a new project and put the two videos on the time line and then export but the export process could take hours.  Is there a less time consuming way to stitch the two completed videos together rather than go through the lengthy export process again (since each has been separately exported before)?  Again, these are not clips but rather separate videos that have already been uploaded to Vimeo and Youtube.

Premiere Pro CC 2017

Windows 7 Home Premium; 64 bit

[SAFEHARBOR11]

I use a free software app on PC called MP4Joiner

Thanks

Jeff

[cvid01]

Run CMD and try this example by substituting the directory and path where your files are located:

copy /b "C:\File.mp4" + "C:\File1.mp4" CombinedFile.mp4

[dgfitzpat111743]

Thanks for the response but I not very familiar with DOS prompts.  In your command, where is the combined file stored?  And what does the /b stand for?  do I include the " symbol in the command?

[cvid01]

"/b directs the command interpreter to read the number of bytes specified by the file size in the directory. /b is the default value for copy, unless copy combines files."

Yes, you need to add /b. It's a DOS command, so just Google it.