T-Mobile MDA Touch Plus, User Manaul, Page: 120 / 268

Organising Contacts, Appointments, Tasks, and Other Information
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Tip To choose the e-mail account to use for sending meeting requests,
tap
Menu > Tools > Options > Appointments tab. Tap the Send
meeting requests via box and choose to send via your Outlook
E-mail, POP3/IMAP4 or Windows Live account.
Notes 
If you’re sending the meeting request using your Outlook E-mail
account, it will be sent to the attendees the next time you synchronise
your device with your PC or Exchange Server.
 When attendees accept your meeting request, the meeting is
automatically added to their schedules. When their response is sent
back to you, your calendar is updated as well.
To send appointment details as a vCalendar
A vCalendar is a standard file format used for exchanging scheduling and
task information. vCalendar files can be exported to Outlook on the PC.
Tap
Menu > Send as vCalendar to send a vCalendar containing
appointment details as a file attachment in a PictureMessage. For more
information, see “Picture Message” in Chapter 7.
6.4 Tasks
Use Tasks to keep track of things you need to do. A task can occur once
or repeatedly (recurring). You can set reminders for your tasks and you can
organise them using categories.
Your tasks are displayed in a task list. Overdue tasks are displayed in red.
To create a task
1.
Tap Start > Organiser > Tasks .
2. Tap Menu > New Task , enter a subject for the task, and fill in information
such as start and due dates, priority, and so on.