How to recover my voice memo deleted accidentally

Voice memos stay in the Recently Deleted folder for 30 days and then are deleted permanently. You can recover a voice memo if it's still in the Recently Deleted folder:

1. In Voice Memos, tap or click Recently Deleted.
2. Tap or click the memo that you want to recover.
3. Tap or click Recover, then tap or click Recover Recording.

recently deleted isnt there

Did you try to scroll down to the bottom of the list to find the folder?