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文件擴展名查詢

.dm 文件擴展名

開發商: Open Mobile Alliance
文件類型: Message File
你在這裡因為你有,有一個文件擴展名結尾的文件 .dm. 文件與文件擴展名 .dm 只能通過特定的應用程序推出。這有可能是 .dm 文件是數據文件,而不是文件或媒體,這意味著他們並不是在所有觀看。

什麼是一 .dm 文件?

對DM的文件擴展名是被稱為DRM傳遞消息的數據格式。 DM文件一般編碼使用DRM(數字版權管理)複製保護的音頻文件,它們由開放移動聯盟被發明。這些都是定制的鈴音和媒體剪輯只為選定授權的手機下載。根據OMA DRM V1.0,糖尿病文件包含要傳遞郵件的內容和權利。對於索尼愛立信的用戶,這些文件在DRM打包程序創建。但是,如果它是為諾基亞用戶,這些文件都可以從網上的諾基亞Ovi商店,並使用SIS.DM或SISX.DM文件擴展名。在DM格式的文​​件可以打開與索尼愛立信DRM打包,並在基於Microsoft Windows的系統的SISContents。這些文件可以被轉換成MP3或MIDI格式和解鎖DM鈴聲的方法之一是通過記錄和保存鈴聲為不同的格式。

如何打開 .dm 文件?

推出 .dm 文件,或者你的電腦上的任何其他文件,雙擊它。如果你的文件關聯的設置是否正確,這意味著應用程序來打開你的 .dm 文件將其打開。這是可能的,你可能需要下載或購買正確的應用程序。這也有可能是你有正確的應用程序在PC上,但 .dm 文件還沒有與它相關聯。在這種情況下,當您嘗試打開一個 .dm 文件,你可以告訴Windows的應用程序是正確的該文件。從這時起,打開 .dm 文件將打開正確的應用程序。 點擊這裡修復.dm文件關聯錯誤

打開一個應用程序 .dm 文件

Sony Ericsson DRM Packager

Sony Ericsson DRM Packager

Digital Rights Management is a technology that is used in securing the distribution, promotion and sales of a digital media. It protects digital content through limited usage, like for instance in 3G, where operators and content providers need a method that will allow then to sell content without freely distributing it between devices. DRM is defined by the standards of Open Mobile Alliance (OMA). OMA DRM enables controlled consumption of digital media objects by letting content providers express usage rights like the ability to preview DRM content, to prevention of illegally forwarding downloaded DRM content from to other users, and in enabling super distribution of DRM content. Usage rights are controlled with DRM, these are defined for all types of content. Different rights from different users may be applied on the same content. DRM controls usage rights like the number of times it can be used, the period it can be used and the length of time it can be used. This kind of control enables content providers to create more subscriptions and pay-per-use models and will also stimulate mobile content based services.
SISContents

SISContents

SISContents is software used in unpacking, editing and signing of Symbian 9 SIS packages. It inspects the files that are contained in the package, and checks for certificates it was signed to and view the PKG script which describes the process of on-device installation. The contents of these packages may be edited and signed after the installation. Packages may be edited by modifying the name, vendor, version, type of installation, supported platforms for devices, software dependencies, and the files and components contained in the package may be added, replaced, deleted and change capabilities, UID3, SID of executables. Signed packages show information on certificates, its validity period, issuer, subject, and others, and they may be deleted from the package. It can also view and save installation PKG script, create SIS packages from PKG scripts, read and unpack contents and files from N-Gage packages, and also view, edit and extract images from multibitmap files embedded in the sis packages. It is compatible with Windows XP, Windows 2003 Server, Windows Vista, windows 2008 Server and Windows 7. Nokia S60 3rd, 5th Edition and Sony Ericsson UIQ 3.x platforms are also supported.

提醒一句

要小心,不要重命名擴展 .dm 文件,或任何其他文件。這不會更改文件類型。只有特殊的轉換軟件可以從一個文件類型更改一個文件到另一個。

什麼是文件擴展名?

文件擴展名是一組三個或四個字符在文件名的末尾,在這種情況下, .dm. 文件擴展名告訴你它是什麼類型的文件,並告訴Windows哪些程序可以打開它。窗戶經常關聯一個默認程序的每個文件的擴展名,這樣,當你雙擊該文件,程序會自動啟動。當該程序不再是您的PC上,有時可以得到一個錯誤,當您試圖打開相關的文件。

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