Like in earlier Office versions, when installing Office 2019/2016 or Office 365, a user is offered to try the product for free during 30 days. In 30 days trial some of the Office features are blocked, and a user is prompted to purchase a license and activate the product (using a retail/MAK key or a KMS activation), or to uninstall Office completely. However, there is a little trick that allows you to extend your Microsoft Office free trial period up to 180 days.

The MS Office package (both the classic MSI package of Office 2016/2013/2010 and the Click2Run distribution of Office 2019/Office 365) includes a special tool, ospprearm.exe, which is located in the directory:

Download OSPPREARM.EXE and Fix EXE Errors. Last Updated: Reading Time Required: 3.5 minutes EXE files such as OSPPREARM.EXE are categorized as Win64 EXE (Windows Executable) files. As a Windows Executable file, it was created for use in Microsoft Office Professional Plus 2010 (64-bit) 14.0.7015.1000 by Microsoft. OSPPREARM.EXE was first developed on for the Windows 8. Dec 06, 2019  Newly released 2019 Microsoft Toolkit 2.6.7 Download for Office 2019 and Windows 10 Activation. Fully clean file, no ads and no survey.

Since you can rearm up to 5 times, you can run Office 2010 for 180 days (30 days + 5 x 30 days) without activating it, if you rearm it every time after the 30 days grace period has been reached. Another effect of rearming Office 2010 is that the client machine ID (CMID) is reset. Jun 12, 2020  1.) Extend trial test period on Windows 10! The command slmgr -rearm is actually provided, even if the hardware has been not replaced on the PC to enable reactivation with a new product key (Key). Thus, you have an additional three times, new 30 days for the new activation. After the period 4 x 30 days = 120 days, you must purchase an Windows 10 License Key Lifetime (15 to 30 $ or a full. Dec 20, 2016  The rearm command you used is almost applied to an Office 2013 KMS installation not Office 365 ProPlus and it is a resetting product key command. From your description, you are in a scenario that the Office 365 ProPlus licenses have expired.

  1. On 64-bit Windows versions with 32-bit Office version installed — %SystemDrive%Program Files (x86)Microsoft OfficeOffice16
  2. In other cases — %SystemDrive%Program FilesMicrosoft OfficeOffice16
Note. Sometimes the file may be located in:

%SystemDrive%Program Files (x86)Common FilesMicrosoft sharedOfficeSoftwareProtectionPlatform
%SystemDrive%Common FilesMicrosoft sharedOfficeSoftwareProtectionPlatform

In any case, you can try to find the location of the ospprearm.exe file manually.

Open the command prompt as an administrator, and run the following command to change the directory:
cd %SystemDrive%Program Files (x86)Microsoft OfficeOffice16
To extend your trial version of Office for 30 days, run this command:

The following message will appear:

Please note that this license rearm method is only suitable for corporate versions of Office and Office 365 (Office 2016 vs Office 365: What’s the difference) licensed under the Volume Licensing (Standard, ProPlus and Enterprise editions). Accordingly, you won’t be able to reset the free trial time in retail editions (Home, Personal, University, etc.).

Thus, you rearm your Office 2016/365 copy and extend free trial to 30 days. You can run this command up to five (5) times on every 30 days of trial. Thus, you can extend the total time of using the Office 2016 trial version up to 180 days (6 * 30 days). You can check the current activation status and the number of days left for the grace period to end as follows.

cd %SystemDrive%Program Files (x86)Microsoft OfficeOffice16
cscript ospp.vbs /dstatus

In this example, you can see that you have installed a trial version of Microsoft Office 2016 and there are 4 days left before the trial period ends.

When running the ospprearm.exe command:

The error code is: 0xD000000C Troubleshoot error code 0xD000000C on Office for Mac.Make sure the internet is working on the Mac you're trying to install on. Xlag 2 0 for mac. You can do this by opening your internet browser and going to .If you are signed in with a network account, sign out and sign back in with your local user account. If the page loads, your internet connection is working.Quit out of all Office apps.Download and run the to remove all the Office keychain entries.Start any Office app again and follow the activation prompts.Are you using a network account?If you've signed in to your Mac using a Network account such as Open directory accounts, this error may occur because Office for Mac can't write your credentials into the keychain as it is 'read-only.'

  • The trial period counter for Office resets to 30 days. The activation timer is frozen until the first launch of any of the Office apps;
  • The computer CMID is reset (the KMS server determines unique clients according to this CMID. You can check the current CMID of the computer using the vbs script – see the KMS activation FAQ).
How To Rearm Office 2019
Tip. This opportunity to extend the Office trial period is described on Microsoft website. However, it may be considered a violation of the license agreement. So you postpone the activation at your own risk. You can rearm your Office 2010/2013 trial in the same way.

Resetting a trial Office license using ospprearm.exe is useful if you are preparing a Windows reference image with Office preinstalled to deploy on a users’ computers via WDS, SCCM, or to manually install the image. Before capturing a reference Windows image, you need to reset the activation counter with the ospprearm command (and do not start Office apps until the image is captured). In this case, after deploying the Windows image on the user’s computer and after the first launch of any Office application, you can use Office without activation and restrictions for a full 30 days.

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