The OST Integrity Check Tool (Scanost.exe) is installed when you install Outlook in the following locations, as appropriate for the Outlook version that you are running.įor Outlook 2003: drive:\Program Files\Common Files\System\MSMAPI\ LocaleID folder. The scan log is in your Deleted Items folder. The scan log also identifies any situations that the tool could not resolve and that you must fix manually.
The tool records any differences in a scan log so that you can see what differences the tool found and resolved. The OST Integrity Check Tool does not change your mailbox on the Exchange Server. The tool compares items and folders in the file and in your mailbox and tries to reconcile synchronization differences between the files and the mailbox. ost file and your mailbox on an Exchange Server.
ost files and can be used to diagnose and repair synchronization issues. The OST Integrity Check Tool runs only on. To access this option, select the File tab, and then select the Open option. pst file data by using the Do not import duplicates option.
This tool was recommended in earlier versions to fix errors in Outlook data files (.ost). The OST Integrity Check Tool (scanost.exe) is not included in Outlook 2010 and later versions. Use the OST Integrity Check Tool (Scanost.exe) to check your. When these symptoms occur, or you have other problems synchronizing, the problem might be a corrupted. ost file or from your mailbox after you synchronize your. You notice that some items such as email messages, appointments, contacts, tasks, journal entries, notes, posted items, and documents are missing from your. The file c:\Users\\AppData\Local\Microsoft\Outlook is not an Outlook data file (ost). The error message may resemble the following:Ĭannot start Microsoft Outlook. Occasionally you receive an error message when you synchronize your Offline Folder file (.ost) in Outlook with your mailbox on a server that is running Microsoft Exchange Server. You have an issue with Outlook, but the issue does not occur when cached mode is disabled. You see differences or mismatches between the messages that you receive in Microsoft Outlook compared to Microsoft Outlook Web App. When synchronization issues occur in Microsoft Outlook or in Microsoft Outlook Web App (formerly Outlook Web Access), you may experience the following symptoms.