Here are all the approaches you may use to fix the [pii_email_c75373ce5b34bf577425] error.
1. Upgrade Outlook to the latest edition
If you are using a previous version of Outlook, download the new update and install it. You can download the latest update of Outlook from the Microsoft Store on the Windows 10 system. If you are using Windows 7 or Windows 8, you need to go to the Microsoft website to install Outlook.
2. Clean Cache and cookies
Reset your device cache and cookies to memory by rebooting your device.
3. Remove Multiple Accounts Used via Email
If you have various accounts, attempt to deactivate them and use them just one at a time. Most of the time, just doing this solves the error.
4. Uninstall Outlook and Re-install it
If neither of the above solutions function, you need to uninstall and reinstall the Outlook email client so that you can reset your email accounts accurately.
5. Enable Windows Trouble Shooter to Fix the Outlook Error
Then open the Windows Troubleshooter by navigating to the Configuration app. Go over to the option Update and Security and select the Troubleshoot feature as seen in the screenshot. Then run the troubleshooter to fix the issue of the passport email error code.
6. Install and then use an alternative e-mail client
And if you’re still facing a challenge with your Outlook email client with [pii_email_c75373ce5b34bf577425]. Downloading the Mozilla Thunderbird e-mail client from here.
I hope you’ve been able to correct the [pii_email_c75373ce5b34bf577425] email error code by using the above-given steps. Let us know if you’re still facing this error in the comments below.