Outlook file associations registry

Thanks for your feedback, it helps us improve the site. In reply to Frederik Long's post on July 26, Outlook thinks its a PDF file even though it has the. In reply to louislucchi's post on July 26, Outlook says The file I chose is not an outlook data file.

The registry is correct for. I already tried the reinstall outlook and that still did not accept that file. Is there a way to change all Acrobat files to be opened by Outlook? Then I can go back and change all the real Acrobat files back to Acrobat.

Did you try System Restore rstrui. In reply to Frederik Long's post on July 27, I'll try it again. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Also discuss all the other Microsoft libraries that are built on or extend the.

Sign in to vote. I'm trying to associate file extension to start some type of files with my application. Which registry keys I have to modify to be sure, that when user double click at file it opens with my application. This key created after setting default program by "Open with" dialog. Write, r. Name ; f. Assert ; r. Thursday, December 24, PM. It comes from Windows 3. If you use the former, you register the file extension just for the logged on user; if you use the latter you register the file extension for all users.

Friday, December 25, AM. Create a key DefaultIcon inside the handler key. Open that key and write into DefaultValue full path to the file containing an icon. Regards, Danijel Blog , Twitter. I am referring to windows 7. Wednesday, September 1, PM. Stealing file extensions is usually really bad practice. Proper installers will not delete the previous owner - they will add the new app to a choice that the user can pick from a context menu choice.

Phil Wilson. Microsoft needs to document changed behavior in Windows 7 or was it Vista? Although individual users can manually set this option in Windows Settings Choose a default app for each protocol , this assumes that the user is familiar with the setting.

Otherwise, this can result in calls to the help desk. Before Windows 8, you could control the handling of the MailTo protocol by deploying a single registry value or group policy, thus setting outlook. However, the above method does not work in Windows 8 and Windows The default application for the MailTo protocol is now stored here:.

Since Windows uses a hash to protect this new registry location, you cannot simply edit the values stored in that path. Instead, you must use an XML-based group policy to define the set of default apps. The name of the policy to use is Set a default associations configuration file and is found in the administration templates at this path:. Note This can be a local path or a network location that all clients can access.

String Value: DefaultAssociationsConfiguration. Note This policy only works for domain joined clients. After this policy is in place, the default application associations are applied once the user logon occurs.

The user should now see MailTo links open an Outlook email message. You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in. Products 72 Special Topics 41 Video Hub