Microsoft outlook pst and ost file


















Conflicts happen when a copy of an item stored on your email server is out of sync with a copy of an item stored on your local computer.

The Mailbox Cleanup tool can delete these conflicts for you. Use Conversation Clean Up to remove redundant messages. In a long email thread, there are often numerous messages that contain all of the same information as prior messages.

Conversation Clean Up can remove those redundant messages automatically. For more information, see Use Conversation Clean Up to delete redundant messages.

You can search for all messages larger than a specific size from Outlook's Search box. This will find all messages larger than 5 MB. You can delete some or all of these messages or move them to another Outlook Data File. For more information on moving items, see Move or copy a message between folders. If you delete items from an Outlook Data File. You can also use the following steps to manually start the compact process immediately, which may take several minutes to complete.

Delete any items that you do not want to keep and empty the Deleted Items folder. On the Data Files tab, click the data file that you want to compact, and then click Settings.

Note : If you are using an Exchange or Outlook. The Mailbox Cleanup tool is used to view the size of your mailbox and individual folders. You can also archive older items to an archive Outlook Data File. You can also manually start the compact command immediately. It might take several minutes to compact an Outlook Data File. Click Account Settings , and then click Account Settings. This browser is no longer supported.

Download Microsoft Edge More info. Contents Exit focus mode. The file size limits of. Please rate your experience Yes No. Any additional feedback? Note The new Outlook file size limit of 50 GB can be increased or decreased by making changes to the Windows registry. Note The archive process in Outlook and Outlook uses the Modified date on messages to determine the age of the item, but the archive process may not archive as many messages as expected.

Check if you can now view the email and error is resolved. Solution 5: Create New Outlook Profile Sometimes, a corrupt or damaged Outlook profile can prevent you from performing certain tasks and lead to such errors.

In such a case, you can try repairing the profile or create a new Outlook profile by following these steps, To repair a corrupt profile, Open Control Panel and click on the Mail option. Click on the Email Accounts option and then click the Email tab. Select your email account from the list and click on Repair.

Follow the wizard and click on the Finish button. Finally, restart Outlook and check if the error is resolved. If not, try creating a new Outlook profile. To create a new profile, Open Control Panel and click on the Mail option. Solution 6: Find and Remove Incompatible or Faulty Add-Ins Sometimes faulty, damaged, or incompatible add-ins that you may have installed can lead to Outlook issues and prevent it from synchronizing or accessing the mail items from the Outlook data file.

Close Outlook and copy the OST file to another location for backup. This will recreate a new OST file and synchronize all mail items. This may take a while to finish. After all the folders are up to date, try opening the emails you could not view earlier. Share 0. Tweet 0. Pin it 0. Related Posts. Learn How to remove an Outlook. You can also use an Outlook Data File. For more information on backing up your email messages, calendar, contact, and task data, see Export or backup email, contacts, and calendar to an Outlook.

You can also import email messages, calendar, contact, and task data from another Outlook Data File. For more information about importing items, see Import email, contacts, and calendar from an Outlook. By moving items to an Outlook Data File. When messages or other Outlook items are saved in an Outlook Data File.

When your connection to the mail server is interrupted, for example, when you're on an airplane without WiFi or if your internet connection disconnects, you can still access all emails, calendar data, contacts, and tasks that have been previously downloaded. You can read and compose messages, create appointments, and add contacts.

However, your email messages won't be sent and no new messages will be downloaded until your internet connection is restored. When the connection is restored, changes are automatically synchronized, and the folders and items on the server and on your computer are identical again.



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