Items.Sort, Results.Sort, and Table.Sort allow you to sort Outlook items. This following table compares the few methods.
| Items.Sort | Results.Sort | Table.Sort |
| Object of Sorting | Items in an Items collection based on a folder | Items in a Results collection based on a search | Items in a Table object based on a folder or search folder |
| Applicable Properties as Sort Fields | Explicit built-in properties with the exceptions listed in the Items.Sort topic | Explicit built-in properties with the exceptions listed in the Results.Sort topic | Explicit built-in properties and custom properties with the exception of binary and multi-valued properties |
| Referencing of Properties | - By their explicit string names in the Outlook object model
- Explicit built-in properties can only be referenced by their names in English and not any other localized language
| - By their explicit string names in the Outlook object model
- Explicit built-in properties can only be referenced by their names in English and not any other localized language
| - By their explicit string names only; cannot reference properties by their namespaces
- Explicit built-in properties can only be referenced by their names in English and not any other localized language
- Custom properties can be referenced in English or a localized language
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| Format of Sort Fields | - Enclosing square brackets ('['']') around explicit string names is optional
- Property names are not case-sensitive
| - Enclosing square brackets ('['']') around explicit string names is optional
- Property names are not case-sensitive
| - Enclosing square brackets ('['']') around explicit string names is optional
- Property names are not case-sensitive
|
| Error Conditions | - Returns an error if property does not exist or property is not eligible for sorting.
- If sort field is an empty string, no error is returned and the collection is not sorted.
| - Returns an error if property does not exist or property is not eligible for sorting.
- If sort field is an empty string, no error is returned and the collection is not sorted.
| - Returns an error if property does not exist or property is not eligible for sorting.
- Returns an error if sort field is an empty string
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