EventMajorType=1

Title of the web page (extracted from the HTML) if available.

EventMajorType=2

Subject line of the email address.

EventMajorType=3

Title of the top-level window of the application.

EventMajorType=4

Title of the conversation if available.

EventMajorType=5

The name of the file. The details of this field depend on the EventMinorType as follows :

filename

Microsoft Exchange public folder item name. This could be a
filename though other types (such as, message) are supported.

filename

Subject – for example 'row 1 – 100'

protocol : filename

Host machine | file path

document title (if available)

EventMajorType=127

Not used.