| Name Property | Description |
| Description | Text used to uniquely identify the activity |
| InvokedApplication | Application that mail merge is applied with |
| Template | Template used to merge the data source's data with |
| DatasourceName | The path and file name of the original document you want to merge with. |
| OutputDocumentName | The path and file name of the output document |
| ShowDocument | The path and file name of the show document |
| MailMergeType | One of the following: Document, Listing, Label, Email, Directory, Envelope |
| InsertPagebreak | (Directory only) If True each new document is inserted in the main document after first inserting a Page break. |
| PrecededBy | Collate the document created by another Mail Merge in front of the current document |
| SucceededBy | Collate the document created by another Mail Merge after the current document |