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If you happen to be a Windows 10 user and you use Microsoft 365, you have PowerToys installed, and you also get emails with PDF attachments on a regular basis, you may have noticed this problem. The conditions described above would only apply to a tiny slice of Windows 10 users. This is obviously not an issue that is impacting millions of users around the world. So when you get an email with a PDF attachment, and the conditions laid out above are also true, Outlook's built in PDF viewer may not function for you. In some instances, for some Microsoft 365 users, if the user in question also has PowerToys installed, it may cause an issue with Outlook's PDF previewer. If you're curious, Microsoft has an open-source set of tools called PowerToys which is designed to allow power users to customize their Windows environments to taste.
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More information can be found in the blog post Windows 10: First Open Source PowerToys released.Do you use Microsoft PowerToys? If you're not sure what that is then you probably don't. This restart is supposed to offer power users possibilities to get more efficiency out of the Windows 10 shell and to adapt it for individual workflows. Inspired by the PowerToys project under Windows 95, some developers dared to reboot. The PowerToys were free programs under Windows 95/98, with which certain Windows functions could be optimized or adapted. The program is available in a 64-bit version for ARM and X64 CPUs on GitHub. The post on GitHub lists some known issues and more details about the new release of PowerToys v0.6.
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In the GitHub changelog, Clint Rutkas lists the following new features and changes: In the release cycle of PowerToys v0.60, Rutkas focused on stability and improvements. The announcement of PowerToys version 0.60 is made on Jvia the following tweet, which points to this Github page with the details.
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