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Microsoft Office Installation Id To Confirmation Id

Mastering the Microsoft Office Activation Process: The Definitive Guide to Installation ID and Confirmation ID

If you’ve ever installed a volume licensed version of Microsoft Office (such as Office Professional Plus, Office Standard, or Project/Visio), you may have encountered a daunting dialog box asking for an Installation ID and promising a Confirmation ID in return. For many users, this screen signals the end of a simple “next-next-finish” installation and the beginning of a confusing, manual process.

This article is your complete resource. We will demystify the relationship between the Microsoft Office Installation ID and the Confirmation ID (CID), explain why this older activation method is still vital today, and provide a step-by-step guide to generating the correct Confirmation ID to fully activate your Office suite. microsoft office installation id to confirmation id

Method A: Using the Command Prompt (Best for Admins)

  1. Navigate to C:\Program Files\Microsoft Office\OfficeXX (Replace XX with your version: Office16 for 2016/2019/2021).
  2. Open Command Prompt as Administrator.
  3. Run the command: cscript ospp.vbs /dinstid
  4. The script will return a long string labeled "Installation ID (IID) for confirmation ID."

Advanced: Manually Finding Your Installation ID via Command Line

If the Activation Wizard is frozen or crashed, you can retrieve the Installation ID using the Command Prompt. This is essential for IT administrators managing many machines. Advanced: Manually Finding Your Installation ID via Command

For Office 2016 and later (Click-to-Run): In the next screen

  1. Open Command Prompt as Administrator.
  2. Navigate to the Office installation folder: 
    cd "C:\Program Files\Microsoft Office\Office16"
  3. Run the activation tool: 
    cscript ospp.vbs /dinstid
  4. The screen will display the 54-digit Installation ID. You can then use the same steps above to get a Confirmation ID via web or phone.
  5. To apply the CID via command line: 
    cscript ospp.vbs /actcid:12345678901234567890 (your 48-digit CID)

3. Confirmation ID Generation

Step 2: Locate Your Installation ID

  1. In the next screen, select your country/region from the dropdown menu.
  2. The wizard will display your Installation ID. It is usually presented in 9 blocks of 6 numbers.
  3. Write this number down carefully or keep this window open on your screen.