How to backup iphone to mac without icloud preferably external hard drive?

How to backup iPhone to Mac? Follow these simple steps based on your macOS version:

For macOS Catalina (10.15) and later:

1. Connect your iPhone to your Mac using a Lightning or USB-C cable.

2. Open Finder.

3. In the sidebar, locate your iPhone under Locations.

4. Click on your iPhone.

5. If prompted, Trust this computer on your iPhone and enter your passcode.

6. Under the General tab, select Back up all of the data on your iPhone to this Mac.

7. (Optional) Check Encrypt local backup if you want to secure your backup with a password.

8. Click Back Up Now.

9. Wait for the backup to complete.

For macOS Mojave (10.14) or earlier, If you want to know how to backup iPhone to Mac:

1. Connect your iPhone to your Mac with a cable.

2. Open iTunes.

3. Click on the device icon in iTunes.

4. Under the Summary tab, choose This Computer for the backup.

5. (Optional) Check Encrypt local backup.

6. Click Back Up Now.

7. Wait for the process to finish.