Outlook Support

How To Fix MS Outlook Invalid Command Line Argument?

The issue will usually arise if there is problem in your switch when working with Microsoft Outlook on Windows PC. At this point of time, users won’t be able to start their Microsoft Outlook. Fix MS Outlook Command Line Argument with our expert remedies. Below we will explain you various ways to fix it up.

Steps to Fix MS Outlook Invalid Command Line Argument Are

Fix MS Outlook Invalid Command Line Argument

Step 1: Open your Outlook in Safe Mode & disable all add-ins

  • This process will help users to fix all corrupted add-in. To start of the Microsoft Outlook in Safe Mode, press “Win+R’ command and open up the “Run prompt” to execute the command. Choose a profile from the drop-down menu and tap on ‘OK’ button. Once done, it will disable add-ins. As per Outlook email support service team, enable/disable the “File > Options > Add-ins”. Select COM Add-ins from the bottom section of the screen and click on “Go” button. Close the Outlook window and open it.

Step 2: Work with your Microsoft Outlook Inbox Tool

  • This tool will repair all corrupted PST file to help users open up the Outlook without any error. Click on the SCANPST.EXE command and double-click to open up the program. Tap on the Browse button to select backup file. Click the “Start” button to start repairing.

Step 3: Re-register all Outlook files

  • Users can easily re-register two most important Outlook dll files to fix MS Outlook invalid command line argument. Open the “Run prompt” by pressing “Win+R” icon and execute needed commands.

Step 4: Reinstall Outlook

  • At last, try to repair or reinstall Microsoft Outlook. To do this, open the Control Panel > Uninstall a program. Right-click on “Office > Change’ icon and choose various options to repair Office programs.
Related Post: How To Add G Suite Account To Outlook?

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