public static void Run()
{
// ExStart:ExchangeFoldersBackupToPST
string dataDir = RunExamples.GetDataDir_Exchange();
// Create instance of IEWSClient class by providing credentials
const string mailboxUri = "https://ews.domain.com/ews/Exchange.asmx";
const string domain = @"";
const string username = @"username";
const string password = @"password";
NetworkCredential credential = new NetworkCredential(username, password, domain);
IEWSClient client = EWSClient.GetEWSClient(mailboxUri, credential);
// Get Exchange mailbox info of other email account
ExchangeMailboxInfo mailboxInfo = client.GetMailboxInfo();
ExchangeFolderInfo info = client.GetFolderInfo(mailboxInfo.InboxUri);
ExchangeFolderInfoCollection fc = new ExchangeFolderInfoCollection();
fc.Add(info);
client.Backup(fc, dataDir + "Backup_out.pst", Aspose.Email.Outlook.Pst.BackupOptions.None);
// ExEnd:ExchangeFoldersBackupToPST
}