There are many audio file formats to choose from, and they all have specific features and benefits.
This post is focusing on the FLV format.
What Is FLV File
What isFLV file?

FLV is the abbreviation of Flash video.
FLV files are most often referred to as Flash Video files.
Here, we take VLC Media Player as an example:
Step 1: Right-nudge the FLV file.
Then, chooseOpen With.
Step 2: Select VLC Media Player from the pop-up menu.
Then, you’re able to open your FLV file.
How to Convert FLV File
How to convert FLV file?
Now, you could follow the steps to convert the FLV file to MP4.
Step 1:Download VLC Media Player from the official website and install it on your box.
Step 2:Then launch it and navigate toMedia>Convert / Save….
Step 3:Click theAdd…button to import the FLV file and clickConvert / Save.
Step 4:Click theCreate a New Profilebutton.
throw in a profile name and selectMP4/MOV.
Then, click theCreatebutton.
Step 5:choose the triangle icon to drop down the output format list and choose theMP4option.
Then, clickBrowseto select a destination folder and click theStartbutton.
Now, you’re free to go to the destination folder to find yourMP4 file.
Main Features
you’ve got the option to also use the online converter to do that.
Its recommended to use CloudConvert.
Here is how to use it to convert the FLV file to MP4 online.
Step 1:Go to the CloudConvert official website and click theSelect Fileoption to select your FLV file.
Step 2:Choose theMP4option from the drop-down menu next to theConvert tooption.
Step 3:After that, tap the Convert option to start converting FLV to MP4.
Besides, the freeFLV file converterand online FLV file converter are also talked about.
So, you’ve got the option to open your FLV files in different ways.