Software⏱️ 3 min read📅 2026-06-15

How to Fix: Calling Documents.Open for Word.Application Error converting msoFalse to type Object

Error converting msoFalse to type Object when opening Word documents in PowerShell.

Quick Answer: Use the $DOCOpen.NoEncodingDialog parameter set to [Microsoft.Office.Core.MsoTriState]::msoTrue to bypass encoding dialogs.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. 🔧 Proven Troubleshooting Steps
  3. 🎯 Final Words

The 'Documents.Open' method in PowerShell is experiencing an error when attempting to open Microsoft Office Word 2013 documents that contain macros or password protection. This issue causes delays and errors, making it difficult to process hundreds of thousands of files. The goal of this troubleshooting guide is to help you bypass these dialogs and open read-only and possibly corruptedfiles without manual intervention.

The 'Documents.OpenNoRepairDialog' method has been attempted to overcome these issues, but it still fails to open password-protected documents without prompting the user for a password.

🔍 Why This Happens

  • One main reason for this error is that the 'Documents.OpenNoRepairDialog' method does not support password protection. When attempting to open a password-protected document using this method, PowerShell will prompt the user for a password, which cannot be bypassed.
  • Another possible cause is that the 'Documents.OpenNoRepairDialog' method may not handle corrupted files correctly. If the file is corrupted, it may cause an error or dialog box to appear when attempting to open it.

🔧 Proven Troubleshooting Steps

Using the 'Documents.Open' method with modified parameters

  1. Step 1: To bypass password protection, set the '$DOCOpen.PasswordDocument' property to '$Null'. This will prevent PowerShell from prompting the user for a password when attempting to open the document.
  2. Step 2: To handle corrupted files, you can try setting the '$DOCOpen.Revert' property to '$True'. This may allow PowerShell to recover the file and bypass any errors or dialogs.
  3. Step 3: Additionally, you can set the '$DOCOpen.NoEncodingDialog' property to '$True' to prevent any encoding-related dialogs from appearing when attempting to open the document.

Using the 'Documents.OpenNoRepairDialog' method with additional parameters

  1. Step 1: To bypass password protection using the 'Documents.OpenNoRepairDialog' method, you will need to use the '$DOCOpen.PasswordDocument' property and set it to a specific value. However, this is not currently supported by the method.
  2. Step 2: Another option would be to try setting the '$DOCOpen.Revert' property to '$True' when using the 'Documents.OpenNoRepairDialog' method. This may allow PowerShell to recover the file and bypass any errors or dialogs.

🎯 Final Words

By following these steps, you should be able to successfully open read-only and possibly corrupted files without manual intervention. Remember to always test your code thoroughly to ensure that it is working as expected and handle any potential exceptions or errors.

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