OST file grows each time each time there's movement (Read, Receive, or moving email) in Outlook 2010

We have one user using Outlook 2010, ost grows from 9GB (initially = same size with mailbox through OWA)to 100GB in less than 5 days, each movement or transaction made at outlook, OST will grows where each day can be 20GB in differences. Office updates being patched.

Can anyone assist?




  • Edited by Oscarcwk 2 hours 56 minutes ago
September 11th, 2015 12:28am

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