
Click Yes in the dialog box that opens next.Ģ. In the Mailbox Cleanup window, click Empty. There are two ways to empty the Deleted Items folder:ġ.

You can check the size of Deleted Items folder by clicking View Deleted Items Size in Mailbox Cleanup window. If you want to reduce the size of the file, you should delete the items permanently by selecting the items in the mailbox and pressing SHIFT + DELETE keys. This doesn’t reduce Outlook OST size as the data still remains within the file. Note: When you simply delete items from mailbox, the items are transferred to Deleted Items folder. By deleting unnecessary data from bigger mailbox folders, you can greatly reduce the size of your OST file. This will open Folder Size window in which you can find all the mailbox folders under Local Data tab, along with their size. You can also check the size of individual folders to identify those that are taking larger space. For this, go to your mailbox and review email folders, tasks, calendars, notes, etc. The first thing you need to do is to remove all the undesired data from your Outlook mailbox.
#OUTLOOK MOVE UP AFTER DELETE ARCHIVE#
If Outlook’s Archive feature isn’t able to reduce OST file, follow the steps below to reduce Outlook OST size. If you’re still unable to get the desired results, read on to know ways to reduce OST file size. To do so, go to File > Options > Advanced > AutoArchive Settings. To fix this problem, you can change the AutoArchive settings. For instance, if you have not configured AutoArchive settings properly (have set a long duration for holding the items in mailbox before they are archived or set AutoArchive to run less frequently), Outlook may archive fewer emails and keep the OST size rather large. However, this feature may fail to reduce Outlook OST size in certain situations. You can also setup AutoArchive feature to automate the archiving process. A simple way to do that is to use the Archive feature in Outlook. To fix these issues, you need to reduce Outlook OST size.

When OST file becomes oversized, you may experience the following issues: In Outlook 2007, the OST file is allowed to grow as big as 20 GB, and in newer versions (2010 and above), the file can grow as big as 50 GB. The problem is, there is a limit to the size of OST files in Outlook. With time, as your mailbox collects more emails and other items, Outlook OST size increases.

This file contains all the mailbox items including emails, attachments, contacts, calendars, etc.
#OUTLOOK MOVE UP AFTER DELETE OFFLINE#
Outlook stores Exchange mailbox data in an OST file that allows offline access to your mailbox. Archiving also helps in reducing the size of OST file as you can transfer unwanted items from OST to an archive file (PST) that’s saved on your system. So, by archiving emails, you can remove unimportant emails form mailbox and keep the Exchange mailbox working properly. Archiving in Outlook allows you to move emails from Exchange Server to the system which frees up space on the network mail server.
