![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(96, 34%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESC%3C/text%3E%3C/svg%3E)
Microsoft 365 and Office | Install, redeem, activate | Other | MacOS
Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(208, 2%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELV%3C/text%3E%3C/svg%3E)
Hi Sovuthika Chhim,
Please note that our Microsoft Q&A forum is a public platform, and we will modify your response/ question to hide your personal information in the description. Kindly ensure that you hide any personal or organizational information the next time you post an error or other details to protect personal data.
Thank you for posting in the Microsoft Q&A forum.
To help us investigate this issue, could you please provide more details about what you mean by "Microsoft 365 is not working"? For example:
- Do you receive any error message when opening an Office application?
- Are the Office apps showing Unlicensed Product or asking you to activate?
- Are you unable to sign in?
- Does the problem occur on a Mac, as indicated by the selected tag?
Could you also let us know where you renewed the subscription on August 16, 2026? For example:
- Directly through Microsoft
- The Mac App Store
- A retailer or third-party seller
With this information, we can better determine whether the issue is related to the subscription, account, installation, or activation.