It's easy to send an audio file from your iPhone. Just follow these simple steps:
1. Open the Voice Memos app. This is where all of your recorded audio files are stored.
2. Select the audio file that you want to share.
3. Tap the share icon in the bottom left corner of the screen.
4. Choose how you want to share the audio file. You can send it via email, Messages, or AirDrop.