Stop checking for alt text accessibility information
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\excel\accchecker Value name: alttext
Enabled: alttext = 0
Disabled: alttext = 1
Description
This policy setting prevents the Accessibility Checker from verifying that objects such as images and shapes contain alternative text. If you enable this policy setting, the Accessibility Checker will be prevented from verifying that objects such as images and shapes contain alternative text. If you disable or do not configure this policy setting, objects will be checked for alternative text and any issues will appear in the Accessibility Checker.