How-to-Fix-Outlook-OST-File-Size-Not-Reducing-After-Archiving-Error

How to Fix “Outlook OST File Size Not Reducing After Archiving” Error?

Have you ever tried Outlook “Archiving” feature to reduce size of OST mailboxes? Are you a user who have faced the problem “Outlook OST File Size Not Reducing After Archiving“? Want to a solution for this problem? If yes, then you can get your answer in this blog post. Simply read the blog and apply the mentioned steps and easily solve your query.

For an Outlook user, backup of data is an important thing. The reason behind the backuping data is save the user’s mailbox items for future use. The OST file is also a backup file of Exchange Account that creates Outlook in users machiine after account configuration. But this file format if difficult to manage and also has some size restrictions. Yes there is a limit of file size with OST file.

After reaching the size limit Outlook user face many difficultly. To handle this problem, a method to reduce size of OST mailbox is available in Outlook application “Auto-Archiving feature“. With this function user can set the date, to create backup of OST mailbox to PST files. It works automatically and save the OST mailbox items as the PST file on users specified date. After saving the OST items as PST a user can easily reduce the OST mailbox size by deleting copied items.

Also Read:- Resolve Error- “Outlook OST file Cannot Be Opened”

How to use Archive Feature in MS Outook?

  • Open Outlook and click the “File” option from the menubar.
  • From the left-sidebar select “Options”.
  • Click on Advanced, then from the AutoArchive section click on AutoArchive Settings button.
  • Select the Run AutoArchive Every… and set a perioud.
  • Choose the destination folder/path to save the file after Archiving and click on OK. (User can also costumize the options as per their requirement)

This is the method to archiveing Outlook Mailbox. But sometimes use can face a situation where Outlook may create problem while archiving OST mailbox. In this situation a user can also face the problem like- “Outlook OST File Size Not Reducing After Archiving“. If you are also facing the same problem, we want to tell that there is no need to worry. Many other techniques are available that a user can utilize to perform the same process of OST mailbox size reducing like:-

Alternative Methods to Reduce OST Mailbox Size Without Archiving

Method 1:- Outlook Compact Feature

Note:- This method will only work if OST file are in working state not applicable to use with corrupt or inacceible OST files in Outlook.

Follow the below mentioned steps to reduce OST mailbox size with Compact option of Outlook:-

  • Delete the duplicate or un-required emails and other items from OST mailbox folders.
  • Then visit to to the Deleted Items folder in Outlook and click on Empty Folder button.
  • Now click on File from the menu bar, go to Account setting >> Account setting.
  • Select Data files tab, and select the OST file for compacting and hit on Compact now button.
  • After completion of compact process click on OK.

This is free method and can be use to reduce OST mailbox size. But like the archiving feature it does’nt allow to create backup file. User have to permenently delete their emails and other mailbox folder elements.

Method 2:- Automated Solution to Reduce OST mailbox size.

The best alternative to archive and compact function of Outlook for reducing OST mailbox is simply convert Outook OST to PST file or split PST to multiple small parts. The method the do this process is simply use te application called PassFixer OST to PST Converter Software. With tool a user can easily Export all folders and elements selectively to new PST file and various other format in simple steps. This software supports any size OST file for conversion of all Outlook version. In addition, a user can convert any corrupt, opphaned, encrypted and also healthy OST file to PST. After conversion user can also split the PST file into multiple smaller parts.

  • Download OST to PST Converter Software and launch it in your machine.
Main screen OST Converter
  • From the first screen of the software, choose the option “Select OST file” or “Multiple OST file” for file selection.
  • Click on Next and start the mailbox scanning process, get the live preview of mailbox items/folders.
preview OST emails
  • Select required folders and click on Convert button, then choose the pst file from the conversion options.
  • Select required folder by hitting the Browse button and click on Convert.
OST Conversion options
  • Now Export OST mailboxes to PST file and choose the split option to splut the resultant PST file in several small parts.
Convert OST to PST

This technique is the easy solution to reduce the size of OST mailbox, any user can try it without facing any kind of probem.

Conclusion

Mostly every face this situation of “Outlook OST File Size Not Reducing After Archiving”. If the user is unable to use archiving feature of Outlook they can try an alternative tricks like- Compact option of Outlook or Conversion with automated software. User can try these technique to easily reduce size of OST mailbox.

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