Open the Photos app on your iPhone
Select the photo you want to export
Tap the Share button
Choose the export or save option you need
Select AirDrop to send it to another Apple device
Select Save to Files to export it to the Files app
Select Mail to attach it to an email
Select Messages to send it in a text message
Select Copy Photo to paste it into another app
Connect your iPhone to a computer and import the photo using Photos on Mac or the Photos app on Windows
Use iCloud Photos to access and download the photo on another device
Use a cloud storage app like Google Drive or Dropbox to upload and export the photo
Check the destination folder or app to confirm the photo was exported