Knowing these can help you and your doctor identify the cause of your lightheadedness and the best way to rid yourself of it. 1  If you are over the age of 65 years, you are more likely to have a medical condition or take medications that causes lightheadedness.n fact, you can usually figure out the cause of lightheadedness based on the sensations you are feeling. Knowing the cause will also give you a clue of how best to get rid of your lightheadedness.
Difference between MS Outlook OST & PST files. OST stands for Offline Storage Tables. It is an offline folder created by MS Outlook and MS Exchange to hold offline copies of whatever exists in the Exchange server. To make it more simple to understand, you can just call OST files as as local copy of your Exchange mailbox. It is created when your emails are delivered to your Outlook mailbox and will contain all your emails, contacts, calender entries and tasks. Outlook has to be in Cached mode for Offline folders to work.
The .olm (export) file will be in the location selected in step 4. The messages, contacts, etc. in it can only be viewed again after importing into Outlook. Importing. Importing an .olm or .pst (Outlook on Windows) export file will store items as a sub-folder of the On My Computer heading in Outlook. 1  With Outlook open, click File from the upper left menu, then Import. 2  An Import window will appear: 3  Outlook 2011 Leave Outlook Data File (.pst or .olm) selected and click the right arrow.