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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3
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1answer
529 views

Chrome: how to open with system viewer by default?

Google Chrome used to open PDFs downloaded to the hard drive using the system's default PDF viewer by default. Recent versions of Chrome use Chrome's (inferior) built-in PDF viewer by default even ...
3
votes
1answer
238 views

Start firefox using Another Profile, for specific file type(s)?

I have two profiles. A and B I have made shortcuts to start each profile as follows: "C:\Program Files\Mozilla Firefox\firefox.exe" -p A "C:\Program Files\Mozilla Firefox\firefox.exe" -p B Also, I ...
2
votes
1answer
786 views

Firefox is changing file extensions on downloads

Today I downloaded a .reg file, and Firefox made it a .reg.txt file. I downloaded a .zip file and Firefox made it a .zip.htm file. Both files worked fine when I fixed the extensions. What happened ...
2
votes
1answer
182 views

How can Standard User change file associations in Windows 2000?

One of my clients is still running Win2K server with a host of Win2K workstations. And no net admin, due to the downturn of the economy over the years. I'm sort of helping out. Out of my depth, but I ...
1
vote
1answer
436 views

Unable to set default program for 1 file type

I've exhausted everything I can think of to fix this. Basically my indesign documents lost their file extension association. No other file extensions seem to be affected. Interestingly they do still ...
1
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1answer
35 views

Make a custom picture extension behave like an existing one on Windows 7 x64

OK, so I understand that this may be achievable by combining a number of answers from other questions, but the exact recipe has been eluding me and I wonder if there isn't an actual 'correct' way of ...
1
vote
1answer
367 views

Batch change filetype associations on OS X

I just installed Sublime Text 3 beta and would like to re-associate all the filetypes I have linked to ST 2 with ST 3. Is there any way to perform this as a batch operation? For example: $ ...
1
vote
1answer
225 views

How can I set a default program that isn't in in program files?

I downloaded a copy of ImageJ off the net. When I extract the package to Program Files the default file association is accepted by Windows. When I exact the package into my desktop (which solves ...
1
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1answer
475 views

Mac OS X: file associations keep changing (though reverting it manually)

For some time now I'm experiencing an annoying behavior under Mountain Lion: While doing my daily work, the programs to open a file keep changing. For example, opening a PDF is switched to Adobe ...
1
vote
1answer
2k views

How to associate the mailto protocol with a custom exe?

In Windows 8, How do you set the default program for the mailto protocol to a custom exe? Under Default Programs, the only option I get is to select from a list of programs (Mail or Google Chrome) or ...
1
vote
1answer
122 views

Internet Explorer: How to continuously (on the fly) pick which program to use when opening files?

Issue: I want to be able to open one file extension with multiple different programs depending on my choosing. Specifically in Internet Explorer. On Firefox and Opera this is standard, they offer a ...
1
vote
1answer
592 views

How to add a command line switch to a Windows 7 file assocation?

I want to add some command line switches when calling a program via File association in Windows 7. This used to be possible in Windows XP, but I can't see how to do it in Windows 7.
0
votes
1answer
286 views

How to stop Skype periodically asking default association for URL:Callto / URL:Skype protocol

Every now and then, perhaps weekly, I'm getting a pop-up from Skype after boot asking me to set associations for the program. If this is a Skype issue or a Windows (8.1) issue I'm not sure - but it is ...
0
votes
1answer
69 views

How do I add file types to Windows 8 “File Associations” for Metro apps

I needed to create a new file type ".pd". I want to have the Microsoft Reader Metro app open this file type. Using How do I add file types to Windows 8 "File Associations"? does not allow ...
0
votes
1answer
55 views

How to add programs to the Open With dialog on Windows7

I'm trying to associate files with specific programs and Sublime Text 3 is not in the dialog as an option nor can I select it after browsing for the C:\Program Files\Sublime Text 3\sublime_text.exe. ...
0
votes
1answer
85 views

Change default app launched when editing vector smart objects in Photoshop

I installed the CC suite trial apps, however I haven't yet started the trials and prefer to continue with CS6 for the time being. However the installation changed the default editor for all my files ...
0
votes
1answer
876 views

How to change “DWG Association” setting on AutoCAD?

In my office, we use a custom right-click menu in .dwg files to allow the users to choose which version of AutoCAD they want to open the file. It howover requires that AutoCAD don't mess with the ...
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votes
0answers
1k views

How to associate visual studio 2012 with SQL files in Windows 8?

I'm using Windows 8 and I'm trying to make Visual Studio 2012 the default program with which to open my .sql files. I have right-clicked on a .sql file and chosen: Open with... > Choose default ...
2
votes
0answers
161 views

Associate and view XML files - Visual Studio

Visual Studio can be used as an XML editor. For example, I can go to File>New>XML File. I can also create an XML file as part of a project and view it via the project manager. Proof you can use it ...
2
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0answers
156 views

Want Mathematica (instead of CDF Player) to launch by default when accessing .nb files over the Web

I have both Mathematica and CDF Player installed on my machine. I'm trying to access a Mathematica notebook over the Web and want Mathematica to launch when clicking on the link. Instead, the file ...
2
votes
0answers
468 views

Office Document Icons still messed up after reassociation

My MS Office 2010 documents show up like this in Explorer: They open fine, but I'd like to get the icon corrected. I have run a repair from Add/Remove programs. I have cleared the icon cache ...
2
votes
0answers
145 views

Associate FTP links with FileZilla in Win8 (or any specific exe with a protocol)

Like Associate FTP hyperlink to filezilla, I want to associate FTP links with FileZilla, only I'm on Windows 8. When I open an FTP link or try to set the associated app for FTP links, I don't get an ...
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0answers
21 views

OS X Finder: “Plain Text Document” has changed to “text”, “Rich Text Document” to “rich text (RTF)”, etc

Sometime recently some file type names have changed — not the file associations or default application, but the name of the file type itself. "Plain Text Document" has changed to "text", "Rich Text ...
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0answers
21 views

Multiple entries for Google Chrome in Open With

On my computer (Windows 8.1), both the Desktop "Open with" submenu and the corresponding WinRT dialog contain multiple entries for Google Chrome, when invoked for an HTML file. So far as I'm aware, ...
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0answers
54 views

Change exe file association for single user

it is relatively easy to set the file association for exe files in windows (a nice way to lock yourself out, btw). This is typically done in the HKEY_CLASSES_ROOT, which is valid for all users. But is ...
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0answers
166 views

Double-clicking a universal data link (.udl) file doesn’t open Data Link Properties dialog box

Ok folks, I'm pulling my hairs out on this one so hoped the wisdom of the crowd can help me out here and keep me sane... I have a new workstation with 64-bit Windows 7 on it and I can't use ...
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0answers
233 views

How to make Firefox open JAR files with the registered default program

When downloading a *.jar file, Firefox doesn't ask me if I want to open or download the file. It only offers the option to download it. Is there any way to configure Firefox to ask, like for most ...
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0answers
89 views

How to reset the look of .htm file icon?

My htm/html files saved on the desktop in Windows 8 looked like this: Now when I upgraded to Windows 8.1 they look like this: How can I return their previous look? PS. I went as far as tried to ...
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0answers
29 views

Associantion of a jpg by command line fails

I'm trying to associate files by command line. I could associate .rar file by this command assoc .rar=rarfile ftype rarfile=%USERPROFILE%\Dropbox\bin\WinRAR\UnRAR.exe x -ad "%1" But it fails with ...
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0answers
14 views

Change default image editor in only one folder

I've recently made the switch from traditional to digital art, and I have two folders: one where I edit images in photoshop and another where I keep a gallery of "finished" art. My question is, is ...
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0answers
404 views

No Ruby icon on '.rb' files after Ruby installation with RailsInstaller on Win XP. How to associate?

At first time I installed Ruby using RubyInstaller for Windows. And in the process of installation there was a checkbox whether I want to have .rb files to be Ruby files. If I agree all the .rb files ...
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0answers
630 views

Unable to change file association on Mac OS X Mountain Lion?

I'm trying to change a file association for an entire extension for an application called Eagle CAD. Currently, the .brd and .sch files are associated with apps called pcbnew and eeschema ...
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0answers
131 views

OS X thinks that my folder (with .suffix at the end) is related to some App

I've named a folder with .suffix which already bound to one of Mac applications. And that is the problem when I'm trying to open this folder through the Finder. I've delete the App related to ...
1
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0answers
280 views

Changing mkv to video kind on mac

I am trying to put mkv files under Video Category when arranging by kind on a mac. Here's what I added to info.plist of the Core Services <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE ...
1
vote
0answers
583 views

Removing File type association from Windows 8

I have created a metro style app similar to Windows Photo Viewer using C#. The app is also displayed in the OpenWith context menu of image files. But, due to some reasons the app is not working. So, I ...
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0answers
32 views

How to change all associations in kde

Gimp associated instead of Okular and gwienview to all mine graphical files and pdfs. There are so many options to change in file associations. Is there a way to do it quicker and better? In gnome I ...
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0answers
3k views

How to configure MIME type associations for Safari 5.1?

I want to edit the MIME type settings for Safari so I could use MediaWiki's method to automatically edit text in an external editor, or more specifically, so I can change the associated application ...
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votes
0answers
38 views

Remove Suggested Programs for Unknown File Extensions

I've spent an hour Googling this to no avail. I am running Windows 8.1 Pro x64. I have a situation where I regularly introduce all kinds of new, obscure file extensions to my system. For this ...
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votes
0answers
17 views

how to Portable Apps permanent file type association?

I have windows 7 64bit. I have many portable apps in my D Drive. PROBLEM: I was able to before, now I cannot associate my files (txt,docx,...any extension) to PortableApps[dot]com portable apps such ...
0
votes
0answers
23 views

ProcMon - strange error when running from a batch file

I have a batch file which uses ProcMon to monitor another task and runs in a loop. Every 20 minutes I terminate procom and restart it with a new datetime-named backing file. This is to keep the log ...
0
votes
0answers
35 views

Default Program and Icon for Specific File Name In Windows

Is it possible to set the default program and icon for files of a specific name? Particularly, I'm interested in setting the default program and icon for file names that typically come with open ...
0
votes
0answers
102 views

Windows won't accept new default program

I am trying to set MarkdownPad2 as my default program for opening .md files on my Windows 7 PC. I installed MarkdownPad2 via Chocolatey. If I open MarkdownPad2 and then use the File -> Open menu I can ...
0
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0answers
188 views

LibreOffice: How to open embedded document

I'm using both LibreOffice and MS Office 2010 on Windows 7 with .pptx extension associated with LibreOffice and .xlsx extension associated with MS Excel(I installed MS Office first, and then installed ...
0
votes
0answers
284 views

Associate extension to a Modern Windows 8 app

I'm trying to associate some file types (like flv) to new VLC for modern Windows app. They registered their app just for mkv,mp3 and mp4 extensions, while their app really can read flv files (It's ...
0
votes
0answers
616 views

Fix .lnk file association WITHOUT admin/registry access

I managed to recreate the problems detailed here and here. I tried to use Notepad to open a .lnk file. Now all shorcuts appear as .lnk files, and open in Notepad. This isn't an uncommon problem and ...
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0answers
494 views

“Windows can't open this file” when downloading torrent with Chrome

Previously when I was clicking on a "get this torrent" button in Chrome, it would just download the .torrent file. That is the expected behaviour. Someday, probably surfing too late and too tired, I ...
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0answers
9 views

establish email association for email

in win8 what do I need to do to "establish an association" with an email account? For example, I'm using a print artist program and I want to send a copy to a friend from within that program via the ...
0
votes
0answers
142 views

Can't un-associate .css extension from Visual Stdio 2013

In - Control Panel\Programs\Default Programs\Set Associations under .css file , it has Microsoft Visual Stdio 2013 as Currect Defualt - I try to change its current default under the Change ...
0
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0answers
226 views

Change file type associations in autohotkey script

I have a Surface Pro 2 running Windows 8.1. I use Zotero for all my academic reading, and depending on whether I'm using the surface as a laptop or as a tablet, I'd like the program used to edit PDFs ...
0
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0answers
449 views

How to associate a file extension with a Windows command (not path)?

In Windows 7, I want to associate .tex files with latex, which is in PATH. The association should work even if the binary is moved to another place in PATH. Can that be accomplished without ...