Jan 17, 2018 - Recreate OST File in Outlook 2016, 2013, 2010, 2007 in Quick Time. Get Manual Solution to Rebuild OST File After Deletion in Outlook. Outlook 2010 and 2013. Locate the.ost file. Click the File menu then click Info. Click Account Settings click Account Settings again. Click the Data Files tab. Click the data file that is set as the default. Click Open Folder. Rename the.ost file by right clicking on the file and selecting Rename. – We suggest rename the file to.