


Choose the Advanced tab in the opening dialogue box, then click Outlook Data File Settings.Select the Data Files tab, and choose the data file OST to compact it then click Settings.Then select Account Settings> Account Settings from the drop-down menu.To begin, open Outlook and select the File option from the Toolbar.Follow the procedures below to compress an OST file. Shrinking the file size may assist improve Outlook performance.
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How to reduce the size of an OST file in Outlook? ManuallyĬompact OST file: User can use this in-built function of Outlook to reduce the size of an OST file. When you forget to delete unnecessary data, it exceeds the file storage limit, and corrupts the OST file, causing very serious Outlook problems. Outlook saves all emails (in various folders), attachments, calendar schedules, tasks, contacts, notes, hidden items, and other stuff in a single OST file. This program allows you to easily migrate all mailbox items from all OST files to PST format, as well as split the resulting PST files to reduce their size.ĭOWNLOAD NOW What causes OST files to grow in size?įrom when the user configures his account in Outlook, it starts to contain all of the data you’ve generated or received in OST files. Try our automatic eSoftTools OST to PST Converter Software if you need to transfer these items from OST files to another format as a backup right away. Unnecessary emails or other elements are one of the most common causes of huge OST files.
