About the Order of Events

The following events occur in the order specified when a user completes an action.

Events	When
Open	A form is opened to compose an item
Send, Write, Close	An item is sent
BeforeAttachmentAdd	Before an attachment is added to an item
BeforeAttachmentPreview	Before an attachment associated with an item is previewed
AttachmentAdd	An attachment has been added to an item
BeforeAttachmentRead	Before an attachment associated with an item is read from the file system, an attachment stream, or an Attachment object
AttachmentRead	An attachment has been opened for reading
BeforeAttachmentSave	Before an attachment is saved into the Outlook item
BeforeAttachmentWriteToTempFile	Before an attachment associated with an item is written to a temporary file
BeforeAutoSave	Before the item is automatically saved by Outlook
BeforeCheckNames	Before Outlook starts resolving names in the recipients collection of the item against the address book, after the user explicitly uses the Check Names command
Write, Close	An item is posted
Write	An item is saved
Read, Open	An item is opened in a folder
Reply	A user replies to an item's sender
ReplyAll	A user replies to an item's sender and all recipients
Forward	The newly-created item is passed to the procedure after the user selects the Forward action for an item
BeforeDelete	Before Outlook deletes the item
PropertyChange	One of the item's standard properties is changed
CustomPropertyChange	One of the item's custom properties is changed
CustomAction	A user-defined action is initiated
Unload	Before an Outlook item is unloaded from memory, either programmatically or by user action

The Click event occurs only when you have defined it for a control in the Script Editor.

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