Holidays calendar in an easy to import to Outlook calendar format

1.Create a new file "2015_Holidays.hol"

2. Add the required holidays text in the file in the following format:

[My 2015 Holidays] 4
New Year's day,2015/01/01
Coptic Christmas,2015/01/07
Easter,2015/04/12
Holiday #4,2015/10/20

3. Open the file where Outlook is installed to import the holidays directly to your profile calendar.

* Good reference about that same topic:
Add or delete holidays and custom events in your calendar:
http://office.microsoft.com/en-001/outlook-help/add-or-delete-holidays-and-custom-events-in-your-calendar-HP001230406.aspx

Please advise or Please advice

I am pretty sure that this is already clear for native English speakers, and any English beginner learner that:
Advice (Noun) - Advise (Verb)

So the correct form should be: Please advise.

However, this time what is confusing me is MS Outlook! It do not like both!!!

Microsoft Outlook 2013 (15.0.4615.1000) 32-bit

Microsoft Outlook: Retain read status for message

Many of us consider our official mailboxes as our task lists. Without regard to whether that is a good or bad practice, and for those who adopt this habit; maintaining the messages status as un\read is crucial to identify whether as action has been taken or not.

To overcome the behavior of the messages status change while previewing the list of e-mails without the intention to actually consider this as read, the following option can be uncheck to transfer the responsibility of un\marking your messages statuses.