Tools needed: computer, format factory

1. After opening the format factory software, click the "Toolset" menu in the main page.

2. after opening the tool set menu option, select the "audio merge" function option to enter the audio merge function.

3. On the audio merging function page, we first click Add File to add the two song files to the task list.

4. press Ctrl and select two song files to be merged, and click "open button" to add them to the task list of the software.

5. in the software interface, click the file format drop-down menu to select the merged audio file format, MP3 or other file formats.

6. You can also configure the file output quality. The default is high configuration, and you can click to set it.

7. After configuration, click OK in the software interface to add the task to the software task list.

8. In the software task list menu, click the "Start" button at the top of the page, and then click it to start merging the two song files.

9. After the software interface prompts that the audio files have been merged, right-click the task and select "Open Output Folder" to see the merged audio files in the opened folder.