When your Microsoft Outlook isn't working properly, the error code [pii_email_57bde08c1ab8c5c265e8] appears. 

The mistake [pii_email_57bde08c1ab8c5c265e8] can be caused by a unit of measurement known as a unit for multiple reasons.

The measurement unit is as follows:

1. If you use numerous Outlook accounts from a single desktop and do not delete the collected cookies and cache, Outlook is more likely to stop working properly and generate this error.

2. If the maneuver was not understood while repairing the device, an error could occur.

3. Another risk is that you'll get into regular conflicts with other programs on your computer's desktop.

4. This issue may occur if you are not a regular user of a web-based version of Microsoft Outlook.