How to Defragment an OST File
- 1). Close the Outlook program.
- 2). Click the "Start" button, then click the "Search" box. Type "*.ost" in the "Search" box and press the "Enter" key. Right-click the "OST" file displayed in the search results and click "Properties" in the menu that appears.
- 3). Note the path to the "OST" file that is displayed in the "Properties" window that appears.
- 4). Click the "Start" button, then click "Programs." Click "Accessories" and then right-click on the command line icon. Click "Run as Administrator" in the menu that appears.
- 5). Type "cd c:\path_to_contig," substituting "c:\path_to_contig" with the actual path and directory where the Contig utility is located, then press the "Enter" key.
- 6). Type "contig --v path_to_ost/filename.ost," substituting "path_to_ost/filename.ost" with the actual path and name for the "OST" file, then press the "Enter" key.
- 7). Wait while the Contig utility processes the "OST" file. When the command line output confirms that the defrag operation has completed, you can start Outlook.
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