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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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 ...
1 vote
0 answers
72 views

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 ...
3 votes
2 answers
2k 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 ...
6 votes
2 answers
375 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 ...
3 votes
1 answer
1k views

How can I open a file with its default application from the MinGW Bash prompt?

In the default windows command prompt you can open a file from the command prompt by entering the name. See Open file with default application from command line. Is there an equivalent in the MinGW ...
10 votes
5 answers
4k views

Get Windows to treat files with the same extension differently

Multiple programs use the same file extension, but the formats are totally different and incompatible. For instance, I have .sch files on my computer that are in at least 5 different formats (TINA, ...
3 votes
4 answers
20k views

All applications associated with TWINUI

I got several messages, that some function is now associated with TWINUI. Now I have What is TWINUI?
2 votes
1 answer
813 views

Monitor file association change?

On Windows, I want to check to see when a file association was changed, and who or what triggered this change. For example: If I change the .PDF file association from Microsoft Edge to Adobe Reader, ...
1 vote
1 answer
1k 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 ...
4 votes
2 answers
5k views

Windows 10 no longer allows portable apps to be set as default?

In earlier versions of Windows 10, I was able to set _any_app_ as the default app. e.g. For Firefox Portable or MediaMonkey Portable, I could do something like: go to Control Panel > Default apps and ...
-1 votes
2 answers
5k views

How to change file association for .iso files?

I have some software tools in iso format. by default they are associated with the window disc burning utility. I want to change the association of iso files so that they are installed when I click on ...
0 votes
1 answer
1k 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. ...
17 votes
5 answers
32k views

How do you want to open this file?

Windows 10 has a dialog that asks How do you want to open this file? Here's a screenshot I found on the web: I think it does this for every file type once. Since I have a lot of types that ...
0 votes
1 answer
844 views

Qlik Sense - Data Table Associations without using the Data Manager

Currently I am using Qlik Sense for a big data project. Inside QlikSense there is a section in which a user can associate qvd files. Due to the volume of data, the association fails. Does anyone know ...
0 votes
1 answer
423 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 ...
3 votes
2 answers
6k views

Script to set Default Browser

We have a GPO in place that sets IE 11 as the default browser on every startup. Instead of having to change the default browser to Firefox manually each time, I'd like to auto start a script that does ...
30 votes
5 answers
46k views

Where does Mac OS X store file association information?

I know there is a system preferences pane to manually modify the file associations in Mac OS X Leopard. However, I'm curious where does Leopard actually store these information? I'm not interested in ...
0 votes
2 answers
944 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 ...
1 vote
2 answers
159 views

Bad file association in WMI repository

Windows 7 machine, and as far as I know, the only oddness about the system is what I mention below. I deal with a whole lot of text files that have no extension, so a while back, I associated files ...
15 votes
3 answers
21k views

Microsoft Edge keeps taking over PDF file open/association

Every few days the file association for PDFs on my Windows 10 machine switches to Microsoft Edge. I then right click on a PDF, choose "Open With -> Choose Another App", select Acrobat from the list, ...
2 votes
3 answers
3k views

changing the nature of .dat file

Some time ago I changed the way my computer reads .dat files by forcing it to always open with KM player. Now, if I save a .dat file in my laptop, its properties says that its a KMP-MPEG file. I want ...
0 votes
0 answers
66 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 ...
25 votes
6 answers
17k views

Windows 10 "Always use this app" checkbox missing

I was attempting to change file open preferences on Windows 10 today, when I encountered an unexpected behavior. Normally, when choosing associations, I will be able to select the "Always open with" ...
0 votes
1 answer
733 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 ...
1 vote
1 answer
1k 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 "...
1 vote
1 answer
2k 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 ...
3 votes
4 answers
44k views

Stop Google Chrome opening Office files using Google Documents

How can I configure Google Chrome to stop trying to open PowerPoint and other document files using Google Documents? I work behind a firewall, and Google Documents cannot access the files anyway. ...
1 vote
0 answers
23 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 "...
3 votes
0 answers
144 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 ...
1 vote
0 answers
57 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 ...
2 votes
2 answers
710 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 ...
1 vote
1 answer
3k 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 ...
0 votes
1 answer
36 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. ...
1 vote
1 answer
2k views

How to add submenus to Windows (7 and above) right click dropdowns

I want to know how to modify the registry so that I can group menu-items in the dropdown menu (right-clicking from file in the explorer) and put those menu-items in submenus. The picture illustrates ...
0 votes
2 answers
2k views

Why is TWINUI "the best music app for Windows"?

Something on my Windows 10 profile seems to be broken. Trying to double-click on an mp3 file yields "Class not registered": Selecting "Open with/Choose another app" in the context menu yields: ...
1 vote
0 answers
17 views

How to control which application opens a jpg image stored on a smartphone connected to Windows 7 via USB?

In Windows 7, when I open a jpg image on local storage, it opens in the app specified by Windows' file associations (stored in the Windows Registry). When I open the same file when it is stored on a ...
0 votes
1 answer
147 views

Weird image file association in windows 10 after update

I'm on windows 10 and I have Paint associated to some image file extension, e.g. *.png. Since a recent update (either 1809, build 17763.475 or slightly earlier) when I double click a png file, it is ...
2 votes
2 answers
5k views

Unable to set Brave browser as default browser in Windows 10

Brave is a new web browser from Brendan Eich (the inventor of the JavaScript programming language). I installed it yesterday on my Windows 10 (Enterprise edition, 64-bit) PC and want to set it as the ...
20 votes
4 answers
43k views

Adding or registering a file type so it can be associated with an application

I need to associate a specific application for a .mus file type on a Windows 10 PC. NONE OF THE ANSWERS INVOLVING THE "OPEN WITH" OR OTHER CONFIGURATION EDITORS WORK. This is because the .mus file ...
2 votes
1 answer
4k views

SSMS wont give up file associations

Apparently this is a known Win10 bug and should hopefully be fixed in an upcoming update. I have installed SQL Server Management Studio v17.9 on a clean Windows 10 installation. This associated all ....
0 votes
1 answer
122 views

Windows 7 : chose notepad++ uninstaller to "open with" once, now can't "open with" notepad++ anymore

I've been struggling with a wrong file association I made a few days ago that I can't seem to remove. What I wanted to do was opening a file that had an unknown extension with notepad++ so I right-...
0 votes
0 answers
1k views

How to reset BAT file association in Windows 10 [duplicate]

I've seen several answers for earlier versions of windows, but not 10 -- I'm runnning Windows 10.0.17134, if that matters. It's currently set so that, on double-clicking a BAT file, it opens in ...
1 vote
1 answer
8k views

How do I stop Windows 10 from resetting my default browser?

Windows 10 keeps resetting my default browser to Microsoft Edge. I am trying to run Firefox Developer Edition as my default browser. The reset happens randomly, maybe once every week or two, but it is ...
0 votes
1 answer
93 views

VLC does not show when opening media files

Previously VLC opened with all video media just by clicking on the video media file. Recently I then played a couple of audio playlists by the the 'add media interface ribbon' i.e loading multiple ...
0 votes
1 answer
67 views

How to keep a file's "open with" association from being changed

I have a folder of Blender files that must be opened with a specific version of Blender (2.76) (and I'd like to use a different version of Blender as the default for everywhere else, 2.79). Whenever ...
1 vote
0 answers
229 views

How to launch a separate Excel application each time I open an "*.xlsm" file

As stated in this StackOverflow question, I would like to open a new Excel application every time I open an *.xlsm file. I know this can be done launching Excel /x from the start button, but I'd like ...
5 votes
1 answer
1k views

Windows 10 file association selection

I'm using Windows 10 version 1803 and cannot change file association via Control Panel\All Control Panel Items\Default Programs After choosing the "default application by type" option, there's no ...
1 vote
1 answer
134 views

Adding exception for a file to default programs in windows

Windows 10 has a default programs section in settings where we can associate a default program to open the file with its file extension. I have a situation where I want to open all the .py files with ...
4 votes
0 answers
1k views

OS X: Terminal command to check a file's default application

I'm writing a script which opens some files, in their default applications, via the open command. Before I actually open a file, though, I'd like to check which application is listed as its default ...
0 votes
3 answers
10k views

Reset default association for MSTSC in Windows 10 1703

I recently installed Remote Desktop Manager on Windows 10 v1703 which unfortunately stole the file associations for .RDP file types. I want to reset this back to the default MSTSC which it has ...

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