O&O Software is a German software company that develops system utilities and tools for Windows operating systems. The company offers products focused on disk defragmentation, system optimization, data recovery, and privacy protection for both individual users and businesses. Their software solutions are designed to help maintain and improve computer performance and data security.
O&O Software receives a mixed reception from users, with a significant number expressing dissatisfaction. While some customers appreciate the O&O RegEditor for its effectiveness in managing the registry, others report serious issues with the defragmentation software, citing long processing times and a lack of customizable settings.
Reviewers frequently mention frustrations with the helpdesk, noting difficulties in obtaining support and activation problems with licenses. Additionally, the SafeErase tool has been criticized for wiping essential settings, leading to a poor user experience. Although some users find the DiskImage tool satisfactory for backups, the recovery process is described as complicated and ineffective. Overall, the sentiment leans negative, reflecting widespread concerns about product reliability and customer support.
Summary generated with AI from recent reviews
Each source counts by its number of reviews. Only reviews written by people are scored.
| Source | Rating | Reviews | Weight | 6-mo | Fake risk |
|---|---|---|---|---|---|
Trustpilot Low volume · weighted down | 2.1 | 8 | 100% | ● Not enough data |
Monthly average rating from reviews written by people · latest review Jun 2025.
| Month | Average | Reviews |
|---|---|---|
| Jan 25 | 3.0 | 1 |
| Feb 25 | — | 0 |
| Mar 25 | — | 0 |
| Apr 25 | — | 0 |
| May 25 | — | 0 |
| Jun 25 | 1.0 | 1 |
Share of positive (4–5★) and negative (1–2★) reviews mentioning each topic · based on the 8 most recent reviews.
“It is the worst service from a helpdesk that I have had and I am disappointed after being a customer for years”
Same method for every company: overall rating, legitimacy checks, the average rating of reviews mentioning each area and the 6-month trend · Electronics & Technology.
| Company | Overall | Legit | Trend | Reviews |
|---|---|---|---|---|
 | 2.1 out of 5 (poor) | 67 out of 100 | — | 8 |
| 4.1 out of 5 (good) | 100 out of 100 | — | 1,060 | |
| 4.5 out of 5 (good) | 100 out of 100 | — | 1,060 | |
| 4.7 out of 5 (good) | 100 out of 100 | — | 1,000 | |
| 4.0 out of 5 (good) | 100 out of 100 | −1% | 1,000 |
Bottom line: O&O Software is #5 of 5 on overall rating in this group.
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Quick answers to the questions people ask most.
O&O Software specializes in system utilities and security software for Windows computers. Their products include disk defragmentation tools, system optimization utilities, backup solutions, and privacy protection software.
You can reach O&O Software support through their website's contact form, email, or phone during business hours. They also provide comprehensive online documentation and FAQs for common issues.
Most O&O Software products support current and recent versions of Windows, typically Windows 10 and Windows 11. Check the specific system requirements for each product on their website to ensure compatibility with your operating system.
Yes, O&O Software offers free trial versions for most of their products, typically lasting 30 days. The trial versions allow you to test full functionality before making a purchase decision.
O&O Software typically offers a 30-day money-back guarantee on their products. If you're not satisfied with your purchase, you can request a refund within the specified timeframe according to their terms and conditions.
You can download O&O Software products directly from their official website. After purchase, you'll receive a license key via email to activate the full version of the software.
Yes, O&O Software provides volume licensing options for businesses and organizations. They offer special pricing and licensing terms for multiple installations, which can be discussed with their sales team.
Anyone can write a CrowdTrust review. People who write reviews have ownership to edit or delete them at any time, and they'll be displayed as long as an account is active.
O&O Software regularly releases updates to improve functionality, fix bugs, and ensure compatibility with new Windows versions. Most products include free updates during the license period, with major version upgrades available for purchase.
Yes, O&O Software is a reputable German company that develops legitimate system utilities. Their products are digitally signed and regularly tested to ensure they're free from malware and safe for your computer.
O&O Software is a German software company that develops system utilities and tools for Windows operating systems. The company offers products focused on disk defragmentation, system optimization, data recovery, and privacy protection for both individual users and businesses. Their software solutions are designed to help maintain and improve computer performance and data security.
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