| Version | Change log |
| O&O Defrag Server Edition x64 26.1.7709 Sep 12, 2023 | |
| O&O Defrag Server Edition x64 25.5.7512 Jul 18, 2022 | |
| O&O Defrag Server Edition x64 25.2 B7405 Jan 14, 2022 | |
| O&O Defrag Server Edition x64 24.5 B6601 Jun 14, 2021 | |
| O&O Defrag Server Edition x64 24.1 B6505 Jan 21, 2021 | |
| O&O Defrag Server Edition x64 23.5 B5019 Jun 27, 2020 | |
| O&O Defrag Server Edition x64 19.0 B99 Oct 15, 2015 | Searches for and removes temporary and unnecessary files that are taking up memory and increasing fragmentation. O&O DiskCleaner also increases the security of your data, as private content (e.g. Thumbs.db, copies of documents, drafts of emails, Dumps) will no longer be kept as copies in unnecessary system files. |
