PC MAPI: How MAPIResolveName Works

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MAPIResolveName will first search the address list that is selected as the default address book. If no matches are found, it will search the Global Address List (GAL). If available, the Personal Address Book (PAB) is searched next.

The GAL will be the second address list searched, when not selected as the default address list. However, once one or more matches are found with the current address list, MAPIResolveName stops searching. MAPIResolveName will not continue to parse an additional address list.

MAPIResolveName searches only the friendly names associated with a given mail account. It uses a space character found in the friendly names as a delimiter. This allows both first names and last names to be returned. This type of search procedure that includes indexing can optimize searching large objects, such as GALs that can have several thousand separate addresses.

For example, If you search on the text string "Car," the following names are found in the address list selected as the default address list: All three addresses will be returned. However, a second or third address list will not be searched.