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For more information, see the More information section of this article.
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ost file, and then let Outlook download the information again from Exchange Server. If these methods do not resolve the issue, we recommend that you rebuild the. On the Outlook 2010 ribbon, select the Send/Receive tab.Select Clear Offline Items, and then select OK.Right-click the folder, and then select Properties.If there is an issue with a specific folder, you can resync the folder in Outlook. 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.
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