Outlook cannot open Excel attachments in Protected mode
Office 365 (Outlook) Tuesday, 19 December 2023 by paul

When trying to open Outlook Excel attachment it crashes with the error "The file couldn't open in Protected View."

A screenshot of a computer error

Description automatically generated

This issue was caused by an Intel grpahics driver update on Lenovo laptops.

Updating to the latest version of the Intel Iris Xe Graphics drivers fixes the issue.

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