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How to fix the OST synchronization issues

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To prevent the growing file size you can split the OST Files into smaller PST files. If the OST file data is inaccessible due to being oversized, you can use OST crop tool for breaking down the file into smaller chunks. If the OST to Exchange synchronization issues still persists then try Scanpst.exe and Scanost.exe utilities. Microsoft provides inbuilt repair tools for fixing the OST/PST related issues. You must try to fix your issues with them. If the inbuilt outlook repair tools don’t help you and your OST file data is still inaccessible, then you need some OST to PST converter. Using such tools you can safely convert the OST file into PST format. The converted PST file can be easily imported and accessed via Outlook.

Before that try out the following fixes to resolve the synchronization issues.

First ensure that your OST file is being getting properly synchronized or not.

Follow the given steps to check the OST Files are being synchronized or not?

  • Go to the offline folder. Open its properties by right clicking.
  • Go to synchronization tab here, you can view OST synchronization information Last Synchronized on: Date, Server folder contains: # Items, Offline folder contains: # Items.
  • If the “# Items” value is different for Server folder and Offline folder that means the Offline folder and Server folder aren’t getting synchronized properly.

If synchronization has been done properly then you need to check the Outlook profile settings.

To do so follow the given steps:

For Outlook 2003

  1. Go to Tools > E-mail Accounts. Under the email section, check the option View or change existing e-mail accounts checkbox is checked.
  2. Click Next.
  3. Go to Deliver new mail to the following location list and select the option Mailbox – account name.
  4. Select the option Microsoft Exchange Server and click Change.
  5. Select the option Use Cached Exchange Mode and click next.
  6. Click Finish and then OK.
  7. Restart Outlook.

For Outlook 2007

  1. Go to Tools > Account Settings> Data Files tab
  2. Ensure that the Mailbox – account name contains the default value.
  3. Go to the E-mail tab> Mailbox – account name, and then click Settings.
  4. Go to Advanced tab and Select the option Use Cached Exchange Mode then, click OK.
  5. Close the Account Settings dialog box.
  6. Restart Outlook.

For Outlook 2010

  1. Go to File > Account Settings and then Select Account Settings.
  2. Go to Data Files and Ensure that the Mailbox – account name contains the default value.
  3. Go to the E-mail tab > Mailbox – account name. Select it and click Change.
  4. Select the option Use Cached Exchange Mode then, click OK.
  5. Close the Account Settings dialog box. Restart Outlook.

Once you have checked the above settings you are ready to perform the synchronization steps, which are given below.

Follow the given steps to manually synchronize the OST file with Exchange:

  • Open the Folder List pane (or click Go > Folder List) and select your offline file folder from the list.
  • Go to Tools> Send/Receive> Send/Receive All to synchronize all folders. You can also choose to synchronize only one folder by selecting ‘This Folder (Microsoft Exchange Server)’ option instead of selecting ‘Send/Receive All’

Follow the given steps to automatically synchronize the OST file with Exchange:

  • Go to Tools> Options> Mail Setup.
  • In the Mail Setup tab, go to the Send/Receive section. From there check the checkbox ‘Send immediately when connected’.
  • Click Send/Receive to open the Send/Receive Groups dialog box
  • Select the option Perform an automatic send/receive when exiting Click Close and then finally click OK to proceed further.

If it doesn’t help you to “rebuild the OST file” and let it get recreated and synchronized with Exchange.
Below given are the steps to create a new OST file:

Search for your OST file. If the default location isn’t known to you, you can go to start and then search for *.ost files in your system.

  • Rename the OST file extension (such as .old).
  • Go to file menu and close the open window.
  • Start Outlook application.
  • Go to Tools>Send/receive then click Send/Receive All.

It will automatically create a new OST file and synchronize it with Exchange.

If the above steps don’t fix your OST synchronization issue then there might be some error/damage in the Exchange Server support files. You can choose to remove the Exchange Server service support files automatically or manually do it by going to the “Fix it for me” section or “Let me fix it myself” section respectively.

 

If you are facing any kind of issues call us on our toll-free number 1-800-293-9401.

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