How to eliminate “Cannot start Microsoft Outlook. Unable to open Outlook window” error?

There are various ways to eliminate the error, but the most appropriate one is the OST to PST software, which easily handles the root cause of such error messages and brings back the lost, corrupt, inaccessible emails in a while.

Root cause of the error

1. Damage to the Navigation Pane file settings
2. Running of Outlook in the compatibility mode,
3. Older version Outlook Profile
4. Deleted or damaged Outlook data file (.pst or .ost)

Various solutions to the causes 

- Recover the configuration file of the Navigation Pane

- Erase the Navigation pane file settings 

- Repair the Outlook data files (.pst and .ost) 

- Turn off the Outlook Compatibility mode 

- Generate a new profile on Outlook 

- Open Outlook in Secure Mode

Let's look over the solutions one-by-one:

Recovery of corrupted Navigation pane solves the problem, which gives you access to the Outlook email and related items.

For Windows 8, 7, and Vista:

    1.   Go to the Start menu, click All Programs > Accessories > Run.

2. Enter the outlook.exe /resetnavpane command
3. Press OK button.

Thus, you recover or reset the navigation pane file settings. In case, you face a failure, you need to delete the Outlook. Xml file from the list of configuration files by following various steps. The whole procedures become lengthy and do not provide desired outcome. Henceforth, it's better to use an apt tool for OST to PST Conversion. The tool recovers all the files and settings. Thereafter, convert into the PST format to be readable on Outlook platform. The whole procedures take sometime into its completion without any interruption.

The OST to PST converter is generally found with rich Graphical User Interface (GUI) to facilitate a novice to implement in simple steps. Equipped with advanced heuristic algorithms and Guided File Excavation Techniques (GFETCH), the tool renders complete result with accuracy and speed. It easily locates the damaged files, repair and convert these to the PST format. 

 

The tool can be downloaded from an authentic site. Install on the system and launch. Select or browse the OST file and repair the corrupted emails. Convert into PST files and save as backup on the personal system. In general, it gets updated on the Outlook client when online and synchronized with the server. It render complete result and supports all file formats including audio, image, video, document, and presentation, spreadsheets, etc. and maintains the data integrity throughout the process. All the versions including Outlook 2013, 2010, Exchange 2013, 2010, Windows 8.1, 8, 7, etc. are supported by the application. Henceforth, the OST to PST Tool is the best way to eliminate the “Cannot start Microsoft Outlook. Unable to open Outlook window” error.