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.
Learn more about the differences between the two Outlook data file formats â OST and PST. See how Inbox Repair Tool for OST can help you get your Outlook data back if you have a corrupt OST file and no access to your emails, contacts and tasks.nlike PST files, OST files are used for offline storage of Outlook data. They are used only if you have an Exchange account or use the Cached Exchange mode. There is no need to back up these files, since they can always be recreated from the data stored in your Exchange account.