Yes, there are several ways to solve the Outlook attachment not opening on double click issue. This problem often occurs due to corrupted temporary files, incorrect file associations, outdated Outlook versions, or even damaged PST files. You can start by clearing Outlook’s temporary folder, checking default application settings for file types like PDF or DOCX, disabling unnecessary add-ins, and updating Outlook along with Windows to the latest version. Additionally, reviewing antivirus or security settings that may block attachments can also help. However, if the root cause is a corrupted PST file, the most effective way to fix it is by using a professional tool like Advik PST Repair Tool, which can repair damaged PST files and restore all your emails and attachments safely.