RCDefaultApp is a Mac OS X 10.2 or higher preference pane that allows you to set the default application used for various file extensions, file types etc. OS X uses the extension and file type settings to choose the application when opening a file in Finder.是的Mac OS X 10.2或更高預置面板，使您可以設置默認的應用程序用於各種文件擴展名，文件類型等OS X使用的推廣和文件類型設置，選擇適用時，打開一個文件中查找。 In other words, it makes associating file types and the programs used to launch them, much, much easier.換句話說，它使聯想的文件類型和程序用於發射他們多，容易得多。
- To install RCDefaultApp, simply drag the RCDefaultApp.prefPane file from the .dmg into your /Library/PrefrencePanes or ~/Library/PreferencePanes folder (the latter you may have to create).要安裝RCDefaultApp ，只需拖動RCDefaultApp.prefPane文件從。藥到您的/圖書館/ PrefrencePanes或〜 /圖書館/ PreferencePanes文件夾（後者則可能創造） 。
- After that’s done, open your System Preferences and you should see Default Apps in the Other category.在此之後的工作要做，打開你的系統預置和您應該看到默認的應用在其他類別。
- On the Internet tab you can change your default browser, Email client, News client, FTP client and RSS client. 互聯網上的標籤，您可以更改您的默認瀏覽器，電子郵件客戶端，新聞客戶端， FTP客戶端和RSS客戶端。 Simply select the appropriate application from the drop-down list, or choose Other… and navigate to the program you wish to use.只需選擇適當的應用從下拉列表，或選擇其他...並轉到該程序您要使用。
- The Media tab allows you to change certain behaviors when actions take place. 媒體標籤可讓您變更某些行動時的行為發生。 For example, if you don’t want the DVD Player to open automatically when you insert a DVD, change the setting to Ignore .例如，如果你不想讓DVD播放器開啟時會自動插入一個DVD ，更改設置，不容忽視。
- Select the Apps tab and then choose an application to see what file types are associated with it.選擇應用標籤，然後選擇一個應用看看文件類型是與此相關。 In the example below, I use Cog to open .ape, .flac and .mpc files - but not mp3 files (which I use iTunes for).在下面的例子中，我使用齒輪開放。猿， 。後手和。貨幣政策委員會的文件-但不是m p3文件（我使用i Tunes的） 。
- Select the Extensions tab to see which programs are associated with a given file type.選擇擴展選項卡 ，看看哪些程序都與某一特定類型的文件。 In the example below, .shn files (a form of在下面的例子中， 。 shn文件（一種形式的 lossless audio無損音頻 ) are opened with xAct. ）開放與xAct 。 Since that’s not the program I want to open when I double-click an .shn file, select the drop-down list and choose Other… .由於這不是計劃我要打開當我雙擊。 shn的文件，選擇下拉列表中選擇其他... 。
- The program I want to use to open .shn files is Cog, but I can’t select it as it’s been ‘greyed out’.該計劃我想用來打開。 shn檔案齒輪，但我不能選擇它，因為它是被'灰色' 。 Change the Enable: entry from Recommended Applications to All Applications .漲跌啟用：從推薦進入應用到所有應用。
- And then select the program you want to open .shn files with - in this case Cog.然後選擇程序要打開。 shn文件-在這種情況下，齒輪。
- Now OS X knows that I want Cog to open when I double-click an shn.現在OS X的都知道，我想齒輪開放當我雙擊shn 。
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Hi - I am running an old compaq deskpo as a second computer, running w98se - I have something screwed up can only read the content of dvds and cds when I first load, after that it tells me that they are blank, even though I know they are not.嗨-我運行一個老康柏d eskpo作為第二台計算機上，運行w 98se-我有眯縫起只能讀取內容的D V D和C D當我第一次加載後，它告訴我，他們是空白，即使我知道它們並非如此。 I would also like to get a list of file extensions and the default files used to open them (I think this may have something to do with the problem).我還想得到的清單文件擴展名和默認的文件用來打開它們（我認為這可能有一些這樣的問題） 。 As I am pretty much at wits end and about to junk the old beast, which has been a wonderful workhorse, can you possibly help please.正如我感到非常的智慧和年底即將垃圾舊的野獸，這是一次精彩的馱馬，你可能幫助吧。 Many Thanks許多感謝
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