How to Fix Office 2013 MAK Key Activation Failure After Reinstallation
Question details
The user is unable to activate Office 2013 using a MAK (Multiple Activation Key) after reinstalling the software using an ISO backup file.

- Product
- Microsoft Office 2013
- Device & OS
- not provided
- Scenario
- Reinstalling Office 2013 from an ISO file and attempting to activate it using a previously assigned volume licensing MAK key.
- Observed behavior
- The system rejects the MAK activation key, preventing Office 2013 from activating successfully.
Verify that your Office 2013 ISO installation file exactly matches the specific edition (e.g., Standard or Professional Plus) your MAK key is licensed for.
Consult Your Volume Licensing Administrator or Microsoft Support
Because MAK keys are managed through enterprise volume licensing, you must route activation resets or blocks through your admin or official Microsoft support channels.
A MAK (Multiple Activation Key) has a predetermined number of allowed activations. Reinstalling the software often consumes an additional activation. If the limit is reached, the key will fail until authorized personnel intervene.
Check your Volume Licensing Service Center (VLSC) portal to confirm that the downloaded ISO file is the exact Office 2013 edition associated with your MAK key.
Reach out to your internal IT or licensing administrator. They can log into the VLSC to check if the MAK activation limit has been exceeded and request an extension if necessary.
Visit the official Microsoft Q&A forum and navigate to the Office tags. Post your specific volume licensing error there for guidance from enterprise support specialists.
If the original account (such as a TechSoup account) is completely inaccessible, instruct your Microsoft 365 global administrator, software reseller, or federated partner to open a formal Microsoft Support ticket to recover or reset the license.
Switch to WPS Office to Avoid Activation Headaches
Struggling with outdated volume licenses, MAK key limits, and ISO reinstallations can disrupt your workflow. WPS Office provides a modern, lightweight, and completely free alternative to Microsoft Office, allowing you to focus on your work instead of complicated activation procedures.
- 1. Download the Installer: Visit the official WPS Office website and download the free installation package for your operating system.
- 2. Install WPS Office: Run the downloaded installer and follow the quick on-screen instructions to set up the suite.
- 3. Open and Edit Immediately: Launch WPS Office and instantly open your existing Word, Excel, or PowerPoint files without needing complex activation keys.

Frequently Asked Questions
Why does a MAK key fail after reinstalling Office 2013?
A Multiple Activation Key (MAK) allows a specific, limited number of activations. Reinstalling Office and entering the key again counts as a new activation. If the predefined limit has been reached, Microsoft's activation servers will reject the key.
Can I activate my volume license without access to the VLSC account?
Directly managing your MAK limits requires VLSC access. If you cannot access the account, a Microsoft 365 global administrator or your official software reseller must step in to open a support ticket with Microsoft on your behalf.
Does software from TechSoup use MAK or KMS licensing?
Microsoft software donated or discounted through TechSoup typically falls under Microsoft Volume Licensing. By default, these are often assigned MAK keys, meaning their activation limits must be monitored via the Microsoft Volume Licensing Service Center.




