File format .chm was created by Microsoft in 1997. It had to replace the .hlp extension that was used for reference information. CHM - Abbreviation from English "Compressed HTML Help". This means that the materials of this format have the standard HTML Internet markup, contain hyperlinks and may have a multi-level partition structure. Due to the ability to place ankores inside and between the articles, the extension .chm also began to use various companies and ordinary users. In addition to reference information about the operation of the operating system, other data in this format, such as educational booklets or user manuals, remains.
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In all the Microsoft desktop operating systems, starting with Windows 98, there is a built-in document reading utility with the .chm extension. Before using it, make sure that the name of the document is written by the Latin and does not contain the characters "_" (lower underscore) or "#" (Sharpe). Because of the Cyrillic letters, the file may not open the standard program. Rename the document if you are not sure that they are not in the title. Next, in Windows Windows, double-click the File icon. An open CHM help looks like this:
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If the document does not open the mouse click, try manually run the utility designed to read it. To do this, move the cursor to the file, right-click and select the "Open Usage" section, then click the Select Program item. In the window that appears, press the "Overview" key.
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In this way, you will fall into the directory installed in your OS programs - "Program Files". But the desired utility is in the "Windows" folder, so go back to the list of system sections of the C.
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Go to the "Windows" directory and find the program "HH". Highlight it with the cursor and click Open, and then "OK" in the "Program Select" window.
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If the file does not open, check if it is not blocked for reading. To do this, click on the Document Document, select the "Properties" section. Next, open the Safety tab. If in the "Read" column there is a "Prohibit" marker, go to the "Advanced" section.
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In the window that opens, click "Change Permissions". On the tab that appears, select the Edit key. In the next section, remove the forbidding checkboxes and click OK.
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If previous manipulations with the file did not help you open, try another program. This method is also suitable for those who do not use Windows. Since the CHM file has a standard HTML markup, any browser will be able to read it. In addition, such documents are opened through many popular readers: FBReader., Sumatra., Okular. If the operating system does not propose to open the file with the extension .chm program by default, then find it manually described above by the "Open Using" menu → "Select the program".
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If none of the proposed ways helped you open .chm, then you can extract information from such a document after changing its format. Free program " hTML2CHM."Disasses the CHM file to separate pages with the .html extension and folds them into the folder. To do this, select the "Decompiler" option and specify which document must be reformatted. Open the HTML file is capable of any browser.
Although CHM files are quite rare, in modern versions of Windows, there is a built-in utility for reading them. If it works incorrectly, you can open such a document to another program or decompile it into separate web pages.
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