Questions tagged [file-association]

In an operating system, the means of assigning a file extension or mime type to a particular application, as a default means of opening this type of file.

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10 views

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 ...
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23 views

Stop WhatsApp Desktop App from opening on api.whatsapp.com links, run WhatsApp web instead

I have a personal and a business WA account. I use WhatsApp Desktop app for personal use. When I click on api.whatsapp.com links, I mean to open the web app where I can send a message from my business ...
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2answers
127 views

Windows .exe file association broken - every program (incl cmd, regedit, notepad, taskmgr) launches Excel - Not a dup

THIS IS NOT A DUPLICATE - I HAVE TRIED THE EXISTING REMEDY I have already read all the SU posts on repairing a broken .EXE file association, and also read the Microsoft article. All of these make the ...
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Can I set default program for unknown/not registered extensions in Windows 10?

My question is similar to this (very useful, check it out!): How to set the default program for opening files without an extension in Windows? but I'm struggling with hidden Linux files. Linux hidden ...
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21 views

Reset “Open with calibre” options

I gave my laptop to my sister for some time now I have this thing popping up on every Document file I try to open.
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19 views

Set default browser on multiple remote computers that are not on the domain

I am trying to set the default browser on multiple remote computers that are not on the domain. There are more than 200 computers, so it would be very time consuming to do it manually. The remote ...
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22 views

How to remove file assosiations for particular file types

How can I remove file associations in Kali Linux. I accidently made my firefox download file with .part extension open with video player as default. I looked in the /etc/xfce4/defaults.list but it is ...
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284 views

Change default behavior of a check box

When I double click a file that doesn't have a program associated with it, I get the How do you want to open this file? dialog box where I can chose a program, the problem is Always use this app to ...
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1answer
648 views

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 ...
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128 views

Execute script when other app is calling for a “registered file type” (like .mp4)

I'm experimenting on Windows 7 and need little assistance. I've got an app that's listing my duplicates, it's the best I've found. BUT it doesn't show the filenames, only the option to "remove&...
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How to fix .exe file associations on windows 7

I know that there are lot of similar questions on this site, but I've looked at over 10 of those, as well as some other websites, and none of the solutions I found seemed to work. In short, I was ...
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288 views

How to change .vhd file association to open with Windows Explorer?

I'm having an issue with .vhd files not opening with Windows Explorer liek the way .vhdx does. Before it was just unrecognized, now I've accedentally change it to Adobe Acrobat. I've tried changing it ...
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Default associations configuration keeps getting reapplied

I've configured a GPO that configures the default associations (For IE and Adobe Reader). I'm talking about this GPO. In my GPO, I redirect our users to an AppAssoc.xml that is located on our sysvol ...
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How to associate a Windows program to open a file based on extension AND CONTENT?

Is there a way to associate a Windows program to open a file based not only on extension, but also on its content? Reasonable use case Many programs use the XML format to store their files. I'd like ...
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1answer
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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 (...
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Windows default app for pdf not taking effect?

EDIT: (Not applicable anymore, question reopened). Why this is not a dupe of the linked question? The view from the question side: AFAICT (and now I already applied the solution, so I cannot test), ...
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1answer
260 views

Windows 7 64bit- Can't run batch files

I know a lot of people have posted on the internet about not being able to run batch files but I haven't been able to find a solution for myself. I arrived at this problem trying to run a game I just ...
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42 views

How do I cycle only though images in IrfanView?

Currently, when I try to display "Next File in Directory", IrfanView tries to open PDFs, videos and the like, and fails miserably with decode errors. I'm not interested in getting it to open ...
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1answer
62 views

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 ...
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33 views

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 ...
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1answer
24 views

Associate with arguments

I am trying to associate PHP files with the PHP program. I did something like this: assoc .php=PhpScript ftype PhpScript=C:\php\php.exe "%1" %* but if I run a script like this: sunday.php monday ...
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1answer
422 views

How can I add Jupyter notebook to Windows 10 default apps?

How can I add Jupyter Notebook to Windows 10 default apps? When I try to change default app for the file type .ipynb I can not see the Jupyter notebook in default apps list and there is no option to ...
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69 views

How to set Windows 10 App as default

I want to use draw.io to open .drawio files. But, Draw.io is not listed in the "Choose an App" list. Also, when i try to access draw.io.exe, it fails saying " no permission". Q1. How to get draw.io in ...
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44 views

File assocations inconsistent behaviour with Windows 10

After updating Python, my file associations somehow got messed up and I have been trying to get them to behave. Here's my test program PyArgs.py: import sys, os print ("Arguments count : "...
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696 views

windows 10 TWINUI setting as default app permanent fix

WINDOWS 10 machines TWINUI setting itself as a the default app for unrelated programs is a known problem with windows and has become a persistent problem in our environment. Is there any known ...
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468 views

How to run an AHK script on Windows startup when the script is associated with a text editor

I have an AutoHotkey script and it should be started each time on Windows startup. For this purpose, it is located in %AppData%\Microsoft\Windows\Start Menu\Programs\Startup. The problem is that my ...
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1answer
69 views

Win10 default tool for PDFs

I want to change the tool which is used in Win10 to open PDFs. It's no problem to select my prefered one in the file explorer and use it as default. But I noticed that Outlook doesn't care about this. ...
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1answer
39 views

How to open an html file in a given firefox profile?

I have installed multiple browsers. Firefox has multiple profiles. When I have an HTML file, if I select it and hit enter, the file is always opened in the default profile. Right Click and "open with" ...
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817 views

Microsoft Edge as markdown default program

On Windows 10, I like to use Edge and the chrome extension Markdown Viewer to view Markdown (.md) files. Currently I just drag the files into Edge. Now I want to set Edge as my default for opening ...
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1answer
79 views

Windows doesn't respect default program for .txt files when opening external file from command line

I'm currently working with a program called kubernetes. I open a file locally with the command "kubectl edit deployment/deployment-name" on my command line. This gives me a .txt file that I can then ...
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1answer
622 views

Set default text editor in KDE

I want to change the default text editor in KDE (FWIW: from Kate to code-oss). I know I can go to Settings->File Associations and change it tenths of times :( Is there an easier way to do it?
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Windows 10 command shell not running associated apps

Recently the behaviour of my CMD shell (windows 10) changed, and I have no idea why. Previously , when typing the name of a script xxx.py or blabla.txt would either run the script using python or ...
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635 views

Windows default text editor for files without associated app

Is it possible to have a default text editor for file types that have no app associated, and especially for files without extension for which we cannot associated an app at all. For example, double ...
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2answers
229 views

How to change Windows file associations for files accessed via MTP (such as Android device files)

When double-clicking to open files in Windows Explorer on a device connected via MTP, how does one change the target application? The OS is Windows 7, and the MTP device is running Android. I've ...
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258 views

“Kind” of .R file incorrectly displayed as “Rez Source” instead of “R Source File”

I am a R user new to MacOS. I found that the "Kind" of .R files are shown as "Rez Source" instead of "R Source File", even after I set the default app for the file as Rstudio.app (See the screenshot ...
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688 views

Reset file associations to application defaults in newer builds of Windows 10

In earlier versions of Windows 10 it was possible to recreate the default associations an application would normally have. For example, with the press of a button, I was able to make MS Word ...
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1answer
494 views

Is there a way to revert my .java file file association

I am trying to return my .java file back to the way it was before. I ended up opening my java file by opening with notepad and now all my java files are opening from notepad, which I don't want. ...
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1answer
189 views

Default App Association set by user resets after next logon

I am running into a situation whereby the default application for opening pdfs was changed to PDF-Xchange instead of Adobe and Mail to Outlook 2010, 2016 instead of the built-in default Microsoft Mail ...
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2answers
842 views

Restore edge/epub association AND behavior AND icon

I could not have epub files open by edge back. I tried to associate the program %windir%\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe but edge just would not lauch (nothing ...
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53 views

Even though LibreOffice Writer is the default program for opening .doc MS Word still opens

Writer opens the file normally, but a really annoying pop-up, owned by a winword.exe (MS Word process), appears. One that says that Word isn't the default program for modifying files. It has a "Don't ...
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3answers
10k views

What is that `Applications` folder in Windows 10 and how to get rid of it?

I found, that most programs in Windows are not links to executables anymore. They are located in unknown Applications folder with no path. Is it possible to disable this feature and go back to ...
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1answer
343 views

In Windows 10, what default behavior can I expect when a file extension association exists, but a File Type Open Command String has not been set?

Installation of Strawberry Perl 5.30.0.1 inspired this question. Users of Active Perl have reported problems with the <FileType>=<OpenCommandString> pairs created during the installation ...
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1answer
142 views

How do I set advance file association in Windows 10 (while passing app parameter to open)

I'm trying to set default to open Tableau workbooks with a connector option, and using connector argument before filename, am I doing the below right? Below from the command prompt is working fine "...
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1answer
509 views

Windows 10: How to set program path in File Associations?

I have two versions of R on my computer; I want to set the file association (default app) for .Rdata file to the older version of R. For this, I was looking to change the path of the R program used to ...
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18 views

Unable to associate program with file types (Windows 7)

I have a program called LeoCAD installed on one of my non-system partitions. I want to associate this program with the file extensions LDR and MPD. However, I am unable to do so using the Windows 7 "...
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48 views

How to extend the file types recognized by category in HKCR\SystemFileAssociations

I have a similar question to the one that was asked here: Custom Windows context menu shell command targetting documents: *.docx and *.pdf except I am concerned with Audio file types. I want to ...
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43 views

windows file extension associations

I always thought that this was a reliable way to determine which program is used to open a file with a certain extension when you double click it in Windows Explorer. C:\>assoc .txt .txt=txtfile ...
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1answer
915 views

How to set file association for all users (Windows Server)

We run our jobs through SSMS on Windows Server. Our IT support has built a new server for us, virtual, with Windows Server 2016 Datacenter and SSMS 15.0, and copied over all jobs from the current ...
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2answers
249 views

How can I get Run as Administrator option back in Server 2012 context menu?

Somehow file associations .bat and .cmd (possibly .exe also) became associated with Notepad++ on Windows Server 2012. As a result, the "Run as Administrator" context menu option is NOT available for ...
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1answer
33 views

Windows 10 clicking a file to open with the default program when that program is already open in the desktop you're already on?

Let's say I'm in Windows 10 on Desktop 7, and I find or download a PDF file and it opens in Adobe Acrobat. If at that time Adobe Acrobat is already open on say Desktop 1, I'm jettisoned to Desktop 1. ...

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