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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21 views

I can't set XZP File Viewer as deflaut for .xzp

I am trying to set my XZP File Viewer as the default program for all .xzp files. However any time I attempt to set it as default, it refuses to actually choose the program. Here are some pictures to ...
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0answers
23 views

Import file associations on established users (Windows 10)

Using the DISM on PowerShell you can easily export file associations on a xml file: Dism /Online /Export-DefaultAppAssociations:C:\FILENAME.xml You can import this file on a Windows image: Dism /...
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1answer
30 views

XnView on Windows 10 fails to open icons

I set Xnview as th default photo viewer in Windows 10. Unfortunetly, it didn't cover *.ico files (icons.) so I associated .ico files with XnView as seen in the image below. However, when I double ...
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2answers
30 views

How can I open files with my program on it's startup

I have a simple WAV player written in Python, but the only way to play files with it is to run the script and open the file through file dialog. How could I make the script open the files like: right ...
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2answers
38 views

Windows 10 - Unhook “tel://” association

When I click a link starting with tel: Windows automatically opens Skype. Does anyone know a way to force it to open the app selector dialog again? To be clear, I don't want to just associate a ...
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0answers
22 views

Execute multiple commands with file association

Is it possible to execute multiple commands from a file association only from windows registry ? (e.g. without a script) So far I have tried the following : HKEY_CLASSES_ROOT\exefile\shell\my ...
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1answer
37 views

Windows- how do I create my own file extensions, and associate them with my own program?

I have developed a C# WPF application that will display .pdf files to the user. The user can load the PDF directly File --> Load --> (select PDF file) --> Open after selecting the PDF, and ...
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0answers
36 views

On Windows 7, how do you change the Edit command to use Notepad for xml files, instead of Word? [duplicate]

Generally I prefer to use Notepad++ to edit xml files, but when right-clicking on one in Windows and just selecting Edit, I still prefer for it go to Notepad anyway, which is the usual on Windows ...
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0answers
21 views

Unable to Open Open Office spreadsheet on Windows 10

It used to work fine a few months ago. So it must be one of the Win 10 updates. When I click on the .ods file, Open Office flashes up and then closes. If I start Open Office from its shortcut on ...
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1answer
18 views

In Windows 8, where to manage shell context menu commands associated with file types?

Maybe this is a duplicate, but I cannot guess the correct teminology to find answer if it was posted already. Where in Windows 8 can I open the user inteface to add/edit/remove shell context menu ...
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0answers
44 views

Set Windows 10 default .pdf association for LoginVSI Users

I am attempting to change the default program for opening PDFs in a Horizon View pool to do some LoginVSI testing. I am trying to change the default to Adobe Reader 11 that shipped with LoginVSI 4.1....
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1answer
40 views

How to associate file extension in Windows 10 to arbitrary command?

I would like to set FXML files opened with Gluon Scene Builder, which exists in the form of JAR file. So, in old good Windows I would associate these files with command like javaw -jar ...
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1answer
23 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 ...
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1answer
69 views

Windows 10 “send to” and default file association configuration - all users

I am a developer, and I've just created an application, and my own file type, with an unique extension (let's say it would be .aaa). What I want to do is to add an entry on the "Send to" menu (right-...
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0answers
20 views

Windows default program for a variable file type? [duplicate]

Our email filtering system will filter out emails containing M$ word docs and similar files, search them to make sure they are 'safe', then reattach them to the email but with the extension changed. ...
0
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1answer
38 views

Manually set file type association with non-installed program via registry?

I seem to have an issue where I can no longer associate XML files with the editor I use, which is a portable version of EmEditor. It doesn't matter what I do, when I try to associate it using the "...
0
votes
1answer
110 views

Set default programs keeps reverting

For a month or so now the default programs keeps reverting. And I have to manually re-set my desired applications for certain file types, however these keep reverting irregular (sometimes after a day ...
3
votes
1answer
81 views

What could be causing assoc to say “the system cannot find the file specified”?

I am running assoc from an administrative command prompt I'd like to add an entry for .vbsc in my list of associations. It won't let me, Though it will let me do one for .vbsd And it is running ...
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1answer
64 views

Cannot set a Windows 10 Store App as default program to open a file

Usually, right clicking on a file, selecting "Open with" followed by "Choose another app..." brings up the following menu which also includes installed apps, so that one may be set as the default ...
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0answers
26 views

Cannot open anything - No file associations?

A friend's Windows 8.1 pc cannot open any files, not even .exe, .lnk, etc. I suspect malware, but it's not something I've seen before and none of the standard tricks worked. Symptoms Regular Boot ...
1
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1answer
34 views

ftype changes are ignored. Where does Windows retrieve the “incorrect” value from? How can I enforce my changes?

assoc and ftype, provide a mapping between extension and a program to launch for that extension. And for some reason, despite what I have specified by assoc and ftype, some other application is ...
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1answer
76 views

How do I restore .bat association on Windows 8? [duplicate]

I have accidentally set the association for .bat files to notepad. This was done by going to the Default Programs panel and setting it to run with notepad. I've tried everything I can find on this ...
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0answers
13 views

Is it possible to associate an extension one way for Windows Explorer and another way for the command line?

I have several "executable file types", like FinalBuilder scripts with an extension .fbp8. I want the following scenario: If I type the name test on the command prompt, the script will be executed ...
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2answers
44 views

cannot chose any application in “Open With” for Windows 10

I usually use NotePad++ as my default text editor. I am using Windows 10, and for example I like to set .config files to open using NotePad++. Usually, in other version of windows you would click on ...
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votes
1answer
68 views

How do I make PDF files to be opened as a Google Chrome application?

I want to use Google Chrome browser as my default PDF reader so I've associated .pdf file extension with the Google Chrome. But I'd also like Chrome to open it as an application window. I know I can ...
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0answers
17 views

How to remove file-assosiations to Qt Creator in KDE

How to remove file-associations to Qt Creator 5 in KDE? It is assigned to very many files format by default (txt, doc, xml, js, sql, and many many others). Trying manually remove some associations ...
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0answers
140 views

Default Mail app cannot be changed to Outlook 2016 OSX 10.11

The default mail app in OSX is 'Mail' and even though in the mail preferences the default is set to use Outlook, it still opens Mail to open a .eml file. I've tried this on 3 different computers and ...
0
votes
1answer
313 views

Mac OS X 10.10 Yosemite Changing File Associations not working

On the Mac I've got OS X 10.10 Yosemite and when I right-click and open-with a different program (and have to manually allow programs that aren't suggested) OS X immediately ignores me and keeps ...
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votes
1answer
165 views

Getting Wordperfect 9 .wpd file associations to work under Windows 10

If I start a .wpd file Wordperfect 9 starts but does not load the file. An error pops up saying "An error occurred when sending commands to the program". The file itself opens ok from WP, it looks ...
11
votes
6answers
23k views

Windows 10 default programs keep changing

Since the fall update last month, Windows 10 automatically keeps changing the default apps for certain types (mostly browser,pdf,mp3,jpg). I have tried changing them back from the Settings app as well ...
2
votes
2answers
1k 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, ...
0
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1answer
60 views

System owns this folder

Occasionally I get messages telling me I can't access, modify or delete specific files and folders, even when I am an admin. For example the windows.old folder because system owns it. I am on Windows ...
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2answers
509 views

How can I set firefox as the default internet browser for all new users?

My organization uses Windows 10 VirtualBox VMs to test our internal applications. The way we do this is by creating an OVA that is already connected to our domain. Anyone on the domain can log into it....
2
votes
1answer
21 views

Markdown files starting with '##' confuse KDE

I have an unusual problem with KDE in Arch Linux. In particular, Dolphin detects files with the .md file extension as MATLAB rather than Markdown files, but only when the file's first two characters ...
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0answers
91 views

Windows 10 November update (10586) resets associations

Windows 10 November update resets associations to MS defaults, for instance .m3u is re-associated to Groove (which is unable to play that since it contains internet streams). How to automatically ...
0
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0answers
183 views

Windows 10 - uncheck by default “always use this app” when selecting a browser

I'd like windows to always ask me which browser I want to open a link in. For that after installing Firefox and did not select it as default browser and now every time an application tries open a web ...
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0answers
13 views

Change default program for Edit context menu [duplicate]

Using Windows 8.1 here. Something that was simple in Windows XP is frustratingly complicated in Windows 8.1...arggh! I'm trying to change the default action when I select "Edit" from the context menu ...
0
votes
1answer
103 views

How to execute shell script from PHP with non-standard extension?

I've Windows with shell integration installed from Git (as well as Cygwin) and the following PHP code fails to run external shell script which has .launcher extension: <?php passthru("foo.sh"); ...
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votes
3answers
4k 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 ...
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vote
1answer
91 views

How do you restore the file associations to the Photos app on Windows Server 2012 R2?

GIMP took some file associations (for example *.png) that I would like restored to the Photos app that I presume is the default on Windows Server 2012 R2. How do I restore these file associations? I ...
1
vote
1answer
973 views

Change protocol handler to desktop app (like mapping URL:IRC to mIRC)

I'm trying to change the IRC protocol handler. Must I use a Store app as the below illustration somewhat suggests? The image shows that Windows is expecting the default program to be an app from ...
3
votes
0answers
107 views

Windows 10 file association, does not hold from search menu

I am facing a weird problem, I am using foobar (latest as of now, 1.3.8) to play mp3's in Windows 10, foobar is set as the default app for music, as is the '.mp3' extension, when I open an mp3 file ...
3
votes
1answer
3k views

Manually Add Program to Open With in Windows 10

I have a standalone version of IrfanView (x64) and want it to appear in the Open With menu for all image files. I do not want it to be the default program however. For some reason no matter what I do, ...
0
votes
1answer
32 views

Adding programs to default list

Can Outlook email be added into the list of default programs in windows vista? In 'Set Default Programs' there are only 2 programs listed, which are Firefox & Picasa Photo Viewer. Can other ...
0
votes
1answer
374 views

How do I stop using OneDrive as my default “Documents” location on Windows 10

I'm on Windows 10 and today I had to look for a file which I knew was in "Documents". However, when I browsed to the directory C:\Users\MyUser\Documents I didn't find the folder, the folder was in my ...
0
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0answers
107 views

Reset standard file association for js files

Normally .js files are executed using some script host executable and they have a specific icon and also have a special context menu entry "Open with Command Prompt"". Now some program or maybe it ...
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1answer
324 views

Windows 10 Visual Studio 2015 .xaml file association

.xaml files do not seem to associate with Visual Studio 2015 on Windows 10 (they aren't in the list of possible associations in the Settings > Default Apps stuff. Is there a way to force the ...
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1answer
578 views

How to change the default editor for PNG files from MS Paint to paint.net in Windows 10?

I have paint.net installed in my Windows 10 Pro. When I right-click a PNG file in the Windows Explorer, I see the Edit command. However, it opens the Windows Paint app, and I'd like to change it to ...
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votes
1answer
6k views

How do I change APPLICATION associations in Windows 10?

Windows 10 installation broke some of my system associations. When I run some of broken apps, they often show a message, that they are not default anymore, proposing to make them default again. ...
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1answer
687 views

Reset Batch File Open Command for Windows 10

Awhile ago I attempted to change the default editor program for batch files to Notepad++ but instead set the default way to open it. I've attempted: https://social.technet.microsoft.com/Forums/office/...