Dealing with Outlook PST error ‘0x80040116'

Are you facing the error saying "Outlook.pst cannot be accessed - 0x80040116" on starting the Outlook or opening a Personal Folder (PST)? This particular error could be lethal for Outlook email data and immediate steps must be taken for avoiding any kind of data loss. Fix Outlook before any mishap of data happens.

"Outlook.pst cannot be accessed - 0x80040116" error usually gets resolved using Inbox Repair tool (Scanpst.exe). Running only Inbox Repair tool doesn't fix Outlook problem though it shows that no errors were found. Reason being index of the .PST file is damaged. For resolving this issue, firstly run the "2 GB Truncation" tool, then run the Inbox Repair tool, and then open the repaired PST file.

Running 2 GB Truncation tool
"2 GB Truncation" tool known as Pst2gb.exe can be downloaded from the Microsoft Download Center. After download, you can see the other files with its exe, which are Msstdfmt.dll, Msvbvm60.dll, Pst2gb.exe, Readme.rtf, and Readme.txt.
(http://www.microsoft.com/downloads/details.aspx?familyid=B33B1DFF-6F50-411D-BBDF-82019DDA602E&displaylang=en)
Now follow the given steps:
1.Click Start, and then click Search.
2.Under What do you want to search for? click All files and folders.
3.In the All or part of the file name box, type *.pst.
4.In the Look in list, click Local Hard Drives (C:\), and then click Search.
5.Note the path to the .pst file that you want to repair. By default, this file is named Outlook.pst.
6.Click Start, click Run, type path\pst2gb.exe -s, and then click OK.
7.Click Continue, and then click Browse.
8.Click the .pst file that you want to repair, and then click Open. By default, this file is named Outlook.pst.
9.Click Create, type a new unique file name for the .pst file such as Outlook-2 in the File name box, and then click Save.
10.In the Oversized PST Recovery Tool dialog box, click Start.
11.After you run the tool, click OK, and then click Close.

Running Inbox Repair tool to fix Outlook PST
1.Double-click scanpst.exe file.
2.Click Browse, and then open the folder that contains the new .PST file that you created by using the "2 GB Truncation" tool.
3.Click the new .PST file that you created and then Open.
4.In the Inbox Repair Tool dialog box, click Start.
5.When the file has been scanned, click Repair to repair the errors in the file.
6.When you receive the "Repair complete" message, click OK.
7.Restart the computer.
Now open the new created .PST file with Outlook. During the whole process there are chances of Outlook email data getting corrupt. But you can now fix Outlook PST easily with Outlook recovery software. This software recovers and restores emails and other email stuff from damaged Outlook PST files.