How to set file association which was lost (for an already installed program)?

In my R (Rgui 3.6.1), I lost the file association to .Rdata files after I uninstalled older versions of R (this probably is a bug and shoudln’t happen! The association was referring to version 3.6.1 which I didn’t uninstall). So I went to Windows 10 System settings “Choose default app by file type”. But here, … Read more

Issue associating ms-powerpoint protocol to powerpoint

When trying to open powerpoint through sharepoint or teams I get an error that no application is associated to the protocol (ms-powerpoint). This seems to be true when I check in windows setting but when I try to associate ppt it doesn’t appear in my list of applications. However I have office 2016 pro installed … Read more

In Windows, what are the purposes of file extensions?

As far as I know, in Linux filename extensions don’t have any special meaning to the operating system. It helps users to identify the file, of course, but the OS itself simply does not care about it (right?). I’ve heard that this is not the case in Windows, but I don’t really understand – does … Read more

How to change default app to open .url in windows 10 1903 or later? I want to use notepad

How to change default app to open .url in windows 10 1903 or later? The new version removed the option to point to an .exe You can only use apps defined as web browsers from the Microsoft Store. I want to bypass that and open any .url .html .htm files in notepad. I don’t find … Read more

Send to > Mail recipient missing even though Mail Recipient.MAPIMail is present

I have a problem – on a certain copy of Windows 10, Mail Recipient is missing from the Send to menu. Solutions on the Internet mostly explain that the Mail Recipient.MAPIMail file (with the text contents Mail) is simply missing from the shell:sendto folder. I have a situation where shell:sendto contains that file, and still … Read more

How to use the “Share” function of MS Office with Gmail + Chrome

I am using MS Office 365 (more specifically, Powerpoint v. 2105) on Windows 10. I am used to sharing files in a couple of keystrokes by going to File > Share, then sending a copy of my ppt presentation (Alt, F, Z, tab, enter for anyone interested). This works perfectly fine with Outlook. However, I … Read more

Microsoft Edge listed twice in default apps

I have Microsoft Edge listed twice in my Windows 10 default apps and one of the entries has no icon. Is there any way of fixing this, or at least figuring out why it’s listed twice (either via the registry or a tool)? Answer The second Edge icon is missing, which might indicate it refers … Read more

Is it possible to entirely replace one app from another in all defaults?

Let us say I want to replace PowerPoint with another presentation software for all the extensions it is currently the default application (.pptx,.ppt,.ppsx, etc.). Is it possible to do that all at once (without uninstalling PowerPoint)?? (I am running Windows 10.) Answer Default Programs Editor can do this for any program and any context menu … Read more