[Solved] Oversized OST File Size Issues | Get to Know all Possible Solution
Most of us aware that the Microsoft Outlook application stores all its crucial data in OST and PST file format. OST file is the replica of all the data available in Exchange Server.
But, do you know the storage capacity of the Outlook OST file? The storage capacity of the OST file depends on the versions of MS Outlook you’re running.
Here is the list of the maximum file size limit of the OST file
- Outlook 2010 and later version is 50GB
- Outlook 2007 is 20 GB
- Outlook 2002 is 2GB
With the huge size of mailboxes in Exchange Online, the size limit of OST files is a problem. If you exceed the file size of MS Outlook data files, then you may have to face many problems like performance of Outlook, corruption of OST, etc..
Issues Due to Oversized OST File
- Outlook application pauses in between the process.
- Unable to open and download the emails.
- Error messages during synchronization.
- You can’ t add data to the existing Exchange OST file.
- OST file corruption issues.
How to Fix OST File Size or Oversize Issue Manually?
Here are the few manual tricks that you can use to fix the OST file size issues.
Method 1# Archiving all OST data files
You can resolve the OST oversize file issues by archiving the OST file data. It may reduce the OST file size and built some space on the server.
Go through the following steps to archive Offline OST file.
- Click on the File>>Cleanup Tools>>select Mailbox Cleanup.
- Now, two options are available.
- Click the Auto-archive option to move the older items in the mailbox.
- Click Empty and delete items from the Deleted items folder.
Method 2# Disable Add-Ins
Disabling all the Add-Ins that have been enabled in the Outlook application can help you to improve the performance & help to fix errors because of large OST file.
Following are steps to disable add-ins:
- Launch MS Outlook and go to the File menu.
- Select Options, then click Add-Ins.
- At Manage option, select COM Add-ins and click Go.
- Un-select all the Add-Ins that are currently non-functional, hit OK.
Method 3# Reducing Outlook Data File
You can compress the OST file size by using the in-built utility of Outlook. Follow the given steps to reduce the offline data files:
- Delete all the unnecessary items.
- Open folder list view, in the navigation pane, right-click on the folder. Click Deleted Items and click the Empty folder.
- Now, in Outlook, click on the File tab >>select Account Settings.
- Click on Data Files, select the data files to be compressed, and click on Settings.
- In the open dialog box, click the Advanced tab>>hit on Outlook Data File Settings.
- Now, click on the Compact Now option available in the dialog box to compress files.
Smart Strategy to Fix Outlook OST File Size Issue
When the Outlook .ost has reached its maximum size and manual methods failed to resolve OST oversize file issue. The professional software will troubleshoot all the OST file size issues and improves the performance of the Outlook application.
User may get two possibilities while resolve the OST file size issue:
Case 1: Corruption due to Oversize OST file
There might be cases when your OST file gets corrupted due to the huge size of OST files. In order to file that corrupted OST file, we suggest you use OST Repair Tool. With the help of this tool, you can easily fix the OST file size error, even when the OST file is corrupted.
Case 2: Divide large OST into multiple parts
If the OST file size increase beyond its limit, then it is required to split oversize OST file into many files. By spliting file you can save or backup old data of OST file into PST format. It will help you to access data of your OST into Outlook any time.
Final Verdict
In this blog, we have mentioned some of the manual techniques to fix OST file size issues in Outlook. Hug or Large OST files are prone to corruption, under these circumstances manual tricks don’t give the permanent resolution to fix the issue. Thus, we recommend the automated solution that helps you to deal with all kinds of Oversize OST file error.
