Complete collection of common file formats (7)

Bian Xiao compiled some common file formats beginning with the letters M, N and O in the Encyclopedia of Common File Formats (VI). Let's continue to sort out some file formats starting with letters P and R for you, hoping to help you!

Png file format

PNG aims to replace GIF and TIFF file formats and add some functions that GIF file formats do not have. The name of PortableNetworkGraphFormat (PNG) comes from the unofficial "PNG'sNotGIF", which is a bitmap file storage format.

Psd file format

Psd format can save all information about layers and channels in editing and image files. However, psd format image files are rarely supported by other software and tools. Therefore, after the image is made, it is usually necessary to convert it into some common image formats in order to output it to other software for further editing.

Pst file format

Pst file is a special format of outlook file. You can open it with officeoutlook2003, but after opening outlook2003, you need to add a data file (File-Data-Add Data File-Select this pst file-Open) under the current account to see it appear in the list on the left. If you use office2007, you can choose to open it directly. Office2007 activation verification crack patch green version

Php file format

PHP is a universal open source scripting language. Grammar absorbs the characteristics of C language, Java and Perl, and is mainly applicable to the field of Web development. The file suffix of php is. PHP。 If you study php, you can find many tutorials online. In fact, the best way to learn any program is to write, write and watch.

Pptx file format

Pptx file is made by powerpoint2007, and the lower version can't be opened generally. The following methods can be adopted: one is to install powerpoint2007 directly, or install Microsoft 2007 format compatibility package, and you can view and edit it after installation. There are also some third-party tools that can open pptx files.

Pdf file format

PDF will faithfully reproduce every character, color and image of the manuscript, and can ensure accurate color and accurate printing effect on any printer. The purpose of designing PDF file format by Adobe Company is to support cross-platform and multimedia integrated information publishing, especially for network information publishing. Download pdf reader!

Pak file format

Pak is a compressed format. Pak files can be opened with some professional compression software (such as WinRAR and WinZip), and the simplified Chinese version of WinRAR can be downloaded. But because of its particularity, it is different from the general compressed file format. Pak files are generally game files, which contain many important files needed by the game and are encrypted. Although there is software that can open pak files now, it is just not encrypted.

Pcx file format

Pcx was originally the file format of PCPaintbrush software (PCX stands for PCPaintbrushExchange), but it has become one of the most widely accepted DOS image standards. Pcx format is a format developed by ZSOFT company when developing image processing software Paintbrush. As a classic image format, pcx format still exists for a long time, but it has been gradually replaced by more popular formats such as jpg and png. However, when it is still in use, pcx files can be opened with commonly used image software (such as ACDSee, PS)! ACDSee Chinese version download!

Pic file format

Pic is an image file format, which is a format for recording and storing image information. To store, process and spread digital images, we must adopt a certain image format, that is, organize and store the pixels of images in a certain way, and store image data as files to obtain image files. The image file format determines what information should be stored in the file, how the file is compatible with various application software, and how the file exchanges data with other files.

Rar file format

The main advantage of rar is that the file compression target can be divided into multiple files, and it is easy to extract the source files from the compressed files thus divided. Rar also supports compressing all files into the same data area to improve the compression rate. At the same time, redundant repair information can be added to the rar, and the compressed package can be repaired when the file is damaged but the repair information is good enough.

Reg file format

REG file is a registry file, which can be modified by any text file editing tool. Start ... Run ... and type regedit to open the registry. The creation of reg file is very simple, and any text file editing tool can be realized.

Original file format

The jpg file we export from the camera is an "image" file obtained by the camera after "post-processing" and compression of the original data. The original file is the raw information obtained from the digital camera sensor without processing. Through post-processing, photographers can maximize their artistic talents.

Rtf file format

RTF file is a kind of file similar to DOC format (Word document) and has good compatibility. You can use WordPad in Windows Accessories to open and edit it. When you open an RTF file with WordPad, you will see the contents of the file; If you want to view the source code of an RTF file, just open it with Notepad.

Rmvb file format

Rmvb is a video format introduced by real Company and one of the most commonly used movie formats on the Internet. This format has a good compression ratio on the basis of ensuring a certain clarity. Generally, the movies downloaded by Thunder and QQ whirlwind (Tencent QQ whirlwind 4.4 download) are RMVB. After downloading, it can be played directly in MP4.

Realmedia file format

RM format is a streaming video file format developed by RealNetworks, which mainly includes RealAudio, RealVideo and RealFlash. RealMedia can set different compression ratios according to different rates of network data transmission, so as to realize real-time transmission and playback of video files on low-rate Internet.