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Sep 22, 2010 how do i recover my activation key from my computer software.I am about format my hard drive and i don't want to lost my microsoft office. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. Apr 23, 2016 Activation of Windows 10 on most computers occurs automatically when you connect your computer or laptop to the Internet, if the system was not activated automatically in your case, Microsoft has released several official and obviously free Windows 10 product keys.
Recover Keys is a popular tool that will help you to find and recover lost Microsoft Office activation key, as well as retrieve license keys for over 10,000+ program packages. Recover Keys will both find Microsoft Office key and recover license keys for all the software installed on the local computer or on multiple network computers. Aug 13, 2019 To do this, reboot your Mac and hold Command+R as it’s booting up. This takes you to a special macOS Recovery mode. Click the “Reinstall macOS” option here, and then go through the installation process to reinstall macOS.
This article is written and maintained by Matt Philipenko, Sr Premier Field Engineer.
It's very common for users to switch devices or for an enterprise to add or change Microsoft Office 365 tenants. Another scenario is when enterprise organizations roam licenses or credentials to simplify the sign- in process. After an Office 365 user is activated, there are multiple locations that must be cleared to reset the application to a clean state.
Step 1: Remove Office 365 license for subscription -based installations
Note
If Shared Computer Activation (SCA) is enabled and running, you should not see any product keys installed when you follow this procedure. However, if you are trying to set up SCA on a computer, make sure that you first clean up any existing keys.
To remove the Office 365 license, follow these steps: Microsoft autoupdate won't open 2016 mac download.
Run the following cscript command:
Note
The opss.vbs script is in the Program FilesMicrosoft OfficeOffice16 folder. If you installed the 32-bit version of Office on a 64-bit operating system, the script is in the Program Files (x86)Microsoft OfficeOffice16 folder. Before you run the 'ospp.vbs' command, you may have to change to the correct directory by using one of the following commands, based on your Office versions:
cd C:Program Files (x86)Microsoft OfficeOffice16
cd C:Program Files/Microsoft Office/Office16
The 'ospp.vbs' command generates a report of the current licenses that are in use. The output resembles the following example:
Note
You might see multiple licenses in the report. However, if the output contains a 'No installed Product Keys' message after you run
ospp.vbs /dstatus
, you can skip 'Step 2: Remove cached identities in HKCU registry' and go to Step 3.Note the value for Last 5 characters of installed product key.
Run the following command:
For example:
Repeat the command if it is necessary until all keys are removed.
If the output contains a 'product key uninstall successful' message, you can close the Command Prompt window and go to Step 2.
Step 2: Remove cached identities in HKCU registry
Warning
Follow the steps in this section carefully. Serious problems can occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.
In Registry Editor, locate the following registry:
HKEY_CURRENT_USERSoftwareMicrosoftOffice16.0CommonIdentityIdentities
Remove all the identities under the Identities registry entry.
Note
If you have Shared Computer Licensing enabled, remove the same identities from the registry HKEY_USERSThe user's SID.
Step 3: Remove the stored credentials in Credential Manager
Open Control Panel > Credential Manager.
Remove all Windows credentials that are listed for Office16. To remove the credentials, select the drop-down arrow and then select Remove.
Items from an Exchange account are stored in the Outlook cache. If this cache becomes corrupted, it may cause synchronization problems with the Exchange server. To solve this problem, you can empty the cache in Outlook so that Outlook 2016 for Mac can download all. Mac microsoft office 2016 casche files. The Office Document Cache contains the files Office uses to make sure your changes are saved in the cloud. Sometimes when you use Office with other apps in the cloud, the apps fail to sync properly before you close Office and this can damage, or corrupt, your Office Document Cache.
For Shared Computer Licensing scenarios, you must remove the tokens and identities that are listed as follows:
Mac Restore And Microsoft Activation Keys 2017
AppdatalocalMicrosoftOffice16.0Licensing
Step 4: Clear persisted locations
Clear the following persisted locations:
Credential Manager
- AppdataRoamingMicrosoftCredentials
- AppdataLocalMicrosoftCredentials
- AppdataRoamingMicrosoftProtect
- HKEY_CURRENT_USERSoftwareMicrosoftProtected Storage System Provider
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Office 365 activation tokens and identities
- AppdatalocalMicrosoftOffice16.0Licensing
- %localappdata%MicrosoftOfficeLicenses (Microsoft 365 Apps for enterprise version 1909 or later)
- HKEY_CURRENT_USERSoftwareMicrosoftOffice16.0CommonIdentity
- HKEY_USERSThe user's SIDSoftwareMicrosoftOffice16.0CommonIdentity
Mac Restore And Microsoft Activation Keys Download
These steps reset the activation state for Microsoft 365 Apps for enterprise. After the locations are cleared, the activation flow will represent an initial activation.
The four steps can be automated by using a script. To do this, copy the following content, save the content as a .vbs file, and then run the .vbs file.
If you've encountered a problem with macOS, the solution might be to reinstall the system on your Mac. This can be done by any Mac owner, but it can be a little bit complicated. You'll need to put your Mac into macOS Recovery, which gives you tools to diagnose problems on your Mac, as well as reinstall the operating system.
Here's how to reinstall macOS using Recovery mode.
Entering macOS Recovery
macOS Recovery has tools at its disposal that allow you to diagnose problems with your Mac's hard drive, reinstall macOS, and restore from a Time Machine backup. You can enter Recovery by pressing certain key combinations. The combination you choose will determine which version of macOS will be installed on your system when you select Reinstall macOS.
- Press Command - R to install the latest version of macOS that was installed on your Mac without installing a later version.
- Press Options - Command - R to upgrade to the latest version of macOS that's compatible with your Mac.
- Press Shift - Option - Command - R to install the version of macOS that came with your Mac, or the version closest to it that's still available.
How to check your startup disk with Disk Utility in macOS Recovery mode
The first thing you'll want to do is make sure your Mac's startup disk is healthy. You'll need to use Disk Utility to do that.
- Click Disk Utility when in macOS Recovery.
- Click Continue.
- Click on your Mac's startup drive in the Disk Utility sidebar. It should be the drive at the top of the sidebar if there are multiple drives.
- Click First Aid.
- Click Run. First Aid will run, checking the health of your Mac's drive. This process could take a little while.
- Click Done.
- Click Disk Utility in the Menu bar.
- Click Quit Disk Utility.
How to erase your startup disk in macOS Recovery mode
If you need to start completely fresh, then you'll want to erase your startup disk using Disk Utility. If you want the content on your Mac to stay intact, skip to the next section.
- Click on your startup disk in the Disk Utility sidebar.
- Click Erase.
- Click the Format drop-down menu.
- Click on the format you want to use for your drive. If you're running macOS High Sierra or later on a Mac with an SSD, your choices will be some form of APFS.
- Click Erase. Your drive will proceed to be erased.
How to reinstall macOS while in Recovery mode
The next step is to reinstall macOS.
- Click Reinstall macOS.
- Click Continue.
- Click Continue.
- Click Agree.
- Click Agree.
- Click on the drive on which you wish to install macOS.
- Enter your Apple ID and password if you're asked to, though you might not be.
- Click Install.
Your Mac will now go through the normal macOS installation process, eventually restarting. If you're starting from scratch, you'll need to set up your Mac from scratch.
Questions?
If you have any more questions about reinstalling macOS on your Mac, let us know in the comments.
Updated December 2019: Everything is up to date through macOS Catalina.
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