How to Recover Lost/Deleted CHM Files?

Written by Lucy John on April 27, 2023

Compiled HTML (CHM) is a help file format exclusively used on Windows OS computers. It was developed by Microsoft as proprietary online help file format with .chm file extension. This help documentation includes compressed HTML files, index, images and other navigation tools. Microsoft requires a library called ITSF – Info Tech Storage File in order to read or write .chm files on Windows platform.

What Do CHM Files To Go Missing?

However, users may lose these compiled HTML files in various ways and encounter critical loss of information in it. Given below are few scenarios of CHM file loss on various Windows OS computers:

When CHM file gets lost or been accidentally erased from Windows system or from any other storage devices, it is not permanently lost. The file will be still intact with the storage device until any new data is been stored on it. This is because, when file loss occurs the OS removes the index pointer of this file in registry entry and makes it invisible marking its memory location as free. Thus, if addition of new data is avoided onto storage device from which CHM file was lost, it is possible to recover CHM file with the use of proficient file recovery software.

How To Recover Lost Or Deleted CHM Files?

If you are worried about secure way of recovering CHM files then employ File Recovery tool tool. This application follows advanced read-only recovery strategy to retrieve erased, lost as well as hidden CHM files on system hard drive with utmost ease. Software can also recover Compiled HTML files lost from other external storage devices like removable hard drive, USB drive, Firewire drive, etc. It supports storage drives formatted with FAT16, FAT32, NTFS, NTFS5 and ExFAT file systems on desktops and laptops operated with Windows 8, Windows 7, Windows XP, Windows Vista, Windows 2003 and Windows 2008 OS versions.

Steps To Recover CHM Files On Windows:

Necessary Tips:

  • Before erasing any file, cross verify whether the file is the right one to delete
  • Do not make use of unsecured alternative applications on system
  • Have regular backup of important CHM files without fail

Related Articles

Why Choose Yodot?

12+Years Of Experience

100%Money Back Guarantee


100%Secure Shopping

FreeTech Support