On October 26, Microsoft officials announced they were planning to open up the Outlook Personal Folders .PST file format and making it freely (and safely) licensable.

Did you log into Microsoft Outlook and noticed nothing looked the way it did yesterday? It could be due to a recent change. Here's how to fix it.

Microsoft plans to make publicly available details of its .pst format so developers can get programmatic access to e-mail, calendar, contact and other data stored in on desktops.

And since we’re on the subject of Outlook, here are two nifty formatting tips. First, did you know you can type mathematical expressions accurately into Outlook 2007?

Microsoft today announced that it will be releasing documentation for the .PST file format, which is used for storing data ranging from e-mail to calendar to contacts in Outlook Personal Folders ...