That aside - might be worthwhile to describe your exact situation and what you're trying to accomplish. An OST file is the "offline" storage related to specific email account depending on the version of Outlook you're using. It gets automatically created if found missing if you have access ...
Because this is VB.Net, setting the user setting is pretty straight forward: prettyprint 复制 My.Settings.LastRunDate = Today.ToString("yyyy/MM/dd") My.Settings.Save() User settings are saved to the profile's user.config file. For LocalSystem, this *should* be buried under a number...
Each top level item represents a separate PST. In the example above, ***@yahoo.com is a Yahoo! email account configured in Outlook 2013, and ***@gmail.com is a Google mail account which has been given its own PST file. In other versions of Outlook, you may see things called Personal...