Processor : Pentium Class
Operating System : Microsoft Windows 7/Vista/2003/XP/2000/NT4 (SP6)
Memory : Minimum 256 MB (512 MB recommended)
Hard Disk : 50 MB of free disk space
MS Outlook : MS Outlook 2010/2007/2003/2002/2000
Internet Explorer : Version 5 or later
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Outlook 2010 is endowed with many features that were not present in its earlier versions. It uses the Unicode format for storing all the emails, attachments, journals, notes and much more in the PST file. This enables it to store data up to 20 GB as against the 2 GB size limitation in Outlook 2002 and its earlier versions because of the ANSI format that was used. It has many other features that make it a desirable version of Outlook. However, in spite of all these it is also vulnerable to errors like 0x8040154.
You may get error messages like
“Unknown error 0x80040154”
For errors like these Microsoft has provided a free utility known as Inbox Repair Tool or scanpst.exe which scans the Outlook PST file and recovers all the inaccessible or lost emails, attachments and all other email objects. It gets installed on your system along with Microsoft Office or Outlook installation. However, when Outlook itself has not been properly installed then scanpst.exe is unable to recover the contents of the PST file.
The major reasons for the occurrence of the error are any corrupt or unregistered entries in the registry of the system. To resolve Outlook 2010 error code 0x8040154 you can make changes in the registry of the system and remove the invalid entries. But if you are not sure which ones to remove then stay away from it as you may also delete an important entry needed for the proper functioning of your system.
Alternatively, you can uninstall and then reinstall Outlook to fix Outlook 0x8040154 error. But this may also lead to loss of important data. In such a situation, you can use efficient third party Outlook PST repair software to get rid of the error and recover all lost and inaccessible data. These are efficient tools that are compatible with all versions of Outlook and support all versions of Windows.