License Key Recovery
How to Find Your O&O Product or License Key
Lost your O&O products license key? No worries!
This guide will help you quickly recover activation/serial key of all your O&O products like Defrag, DiskImage, DiskRecovery, CleverCache, PartitionManager etc
Find O&O License Key in Order Email
Often you can find most of your softwares license key in the order email.
Follow the steps below to search for O&O key in your email,
- Step 1. Login to your email inbox (used for ordering software)
- Step 2. Search for emails having “O&O license” or “O&O activation”
- Step 3. Now check in each found email to see if it has license key of your O&O software
Find O&O License Key in Registry
Another way is to look for license keys in Windows Registry. Like most softwares, O&O also stores activation key and other registration details in Registry.
Below is the Registry location where you can find O&O software activation key
[Windows 32-bit] HKEY_LOCAL_MACHINE\SOFTWARE\O&O\[software_name]\ HKEY_LOCAL_MACHINE\SOFTWARE\O&O\[software_name]\[version] HKEY_LOCAL_MACHINE\SOFTWARE\O&O\[software_name]\[version]\License\ HKEY_LOCAL_MACHINE\SOFTWARE\O&O\[software_name]\[version]\Licenses\ HKEY_LOCAL_MACHINE\SOFTWARE\O&O\[software_name]\[version]\PRO\Licenses\ [Windows 64-bit] HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\O&O\[software_name]\ HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\O&O\[software_name]\[version] HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\O&O\[software_name]\[version]\License\ HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\O&O\[software_name]\[version]\Licenses\ HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\O&O\[software_name]\[version]\PRO\Licenses\
Here are simple steps to locate your O&O serial key in Registry,
- Step 1. Open Registry Editor (start menu -> search -> type regedit)
- Step 2. After it opens, on the left side navigate to above Registry key location.
- Step 3. Next, on the right side pane, you will find item named “SerialNo“, “PublicKey” containing the activation key.
Find O&O Products Key Automatically
Now you can easily find lost activation key of O&O products without any technical skills.
With just one click, XenArmor All-In-One Key Finder Pro can scan and recover all your O&O product’s license keys in seconds.
Follow these simple steps,
- Download & install the software from here
- Click on “Recover Keys”
- Instantly see license keys of all O&O products

Here are the key features loved by users,
- Recover Keys of 17,300+ popular softwares
- Recover Keys of Windows, Office, BitLocker, O&O & more
- AI based Registry Key Scanner
- Extract Keys from local PC, external drive, registry file or remote computer
- Support command-line & automation
- Export Keys to PDF, HTML, CSV, JSON & more
👉 Free Download XenArmor All-In-One Key Finder Pro
Recommended Products
All-In-One Key Finder Pro
One PRO solution to recover hardware serials, system keys & lost license...
Download
All-In-One Password Recovery Pro
One PRO solution to recover payments, autofill, system secrets &...
Download
Windows Defender Manager Pro
Instantly Disable Windows Defender – Stop File Blocking and Background...
Download
