Sometimes it so happens that when you try to open a PST folders file, you may get the following error message.“Outlook.pst can not be accessed- 0x80040116."Here Outlook.pst is the name of your PST file.If you run the Microsoft Outlook inbuilt Inbox Repair Tool (snapshot.exe), the problem remain as it is and the repair tool may report that no error found.This error may occur if the directory of the PST files is damaged or corrupted. Primarily, cyclic redundancy check error lead to the occurrence of corruption in the directory of these PST files. This folder may corrupt in a number of ways ranging from scattered to the improper shutdown of the program. This folder may also get corrupted if the size of the files increased from its maximum capacity 2GB if you are using Microsoft Outlook 2000 or older versions.To overcome this problem Microsoft provides the facility of Cyclic Redundancy Check for keeping from these errors. Also offer more storage capacity in its later versions including Outlook XP, 2oo3 and Vista up to 20 GB.These facilities are available in the later versions of Outlook, but in case you were using Outlook 2000 or earlier versions, your PST index is corrupted, you may face a serious problem of data loss. You are unable to access your PST files that contain Contacts, notes, calendar and other important data. In such critical situations, you need to repair you PST files and make them accessible.For this purpose, pst recovery software is required. These software are helpful in repairing you corrupted PST files and restore them in original format so you can access them. Generally these software are support Graphic User Interface (GUI) concept and very user friendly. You can use these software for easy and effective PST file recovery without any high technical knowledge.Stellar Phoenix Outlook PST Repair software is a best featured and wonderful PST repair software. This software restore all data of PST files including mail files, notes, contacts and local folders in their original format without changing the original contents of the files. This software scans for the corrupted PST files and extracts them and saves on their original destination or user specified location.This software can also recover deleted PST files that are accidentally deleted by the user or deleted when you emptied the Deleted Items folder.