How do I change how Outlook opens attachments?
Change the file association for an email attachment
- In Windows 7, Windows 8, and Windows 10, choose Start and then type Control Panel.
- Choose Programs > Make a file type always open in a specific program.
- In the Set Associations tool, select the file type you want to change the program for, then choose Change program.
How do I turn off Protected Mode in Outlook?
To disable it, open Microsoft Word, Excel, or Powerpoint, etc…and then click File >> Options. From the options, menu select Trust Center > Trust Center Settings. Go to the Protected View tab in the trust center and then uncheck the bottom box titled Enable Protected View for Outlook attachments.

Why are my documents opening in read only?
Are the file properties set to read-only? You can check the file properties by right-clicking on the file and choosing Properties. If the Read-only attribute is checked, you can uncheck it and click OK.
Is there a way to open all attachments in Outlook?
Press “Ctrl + A” to select all the saved attachments. Then right click on them. In the right clicking menu, you can select “Open” option.
How do I change how a file is opened?
Change default programs in Windows

- Select Start > Settings > Apps > Default apps.
- To change the default app, you can do either of the following: Set a default for a file type or link type. In the search bar, enter the file type or link type you want, then select it from the list of results.
How do I unblock an attachment in Outlook?
General troubleshooting
- Method 1: Use a file share to access the attachment.
- Method 2: Use a file compression utility to change the file name extension.
- Method 3: Rename the file to have a different file name extension.
- Method 4: Ask the Exchange server administrator to change the security settings.
How do I open an attachment in Protected View?
Click File > Options. Click Trust Center > Trust Center Settings > Protected View. Make selections that you want.