Absolute Steps To Know How To Configure OST File Size

Microsoft office outlook support ANSI, UNICODE personal folders(.pst files) and offline folder(.ost files). Registry entries are used to limit size or to configure OST file size and PST file size which are:

  • The MaxFileSize registry entry
  • The WarnFileSize registry entry
  • The MaxLargeFileSize registry entry
  • The WarnLargeFileSize registry entry

Note: The MaxLargeFileSize & The WarnLargeFileSize registry entry will not enable outlook to warn you before the file size limit exceed.

The MaxFileSize Registry Entry: This registry entry find out the total size of OST & PST files can grow and when OST file size exceeds their limits outlook will not permit the size of file to grow beyond size.

 The WarnFileSize Registry Entry: This registry entry find out the accurate size of OST & PST files can have and when OST file size exceeds then outlook will not save anymore data.

Default location of these registry entries is located in following path:

  •  Key: HKEY_CURRENT_USER\Software\Microsoft\Office\<version>\Outlook 
    Value name: ForceOSTPath / ForcePSTPath
    Value type: REG_EXPAND_SZ 
    Value: path to your storage folder

After this see the following steps to know how to configure OST file size:

  • Click start, Run & type Regedit and click ok
  • Click on left pane, Expand My Computer & then HKEY_CURRENT_USER
  • Expand software, outlook and office
  • Click on OST and then right click on pane where are options MaxFileSize, WarnFileSize etc.
  • Then Click on Modify button and then enter the value in Value Data box.

By following these all steps users can easily know the answer of their query how to configure OST file size & PST file in easy way. After Configuring size of OST file convert OST to PST file in few moments at high speed by using OST2PST conversion which is designed with advance algorithms & techniques to export OST to PST file.

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