{"id":14996,"date":"2019-04-10T00:00:00","date_gmt":"2019-04-10T00:00:00","guid":{"rendered":"https:\/\/adfsolutions.com\/add-custom-file-type\/"},"modified":"2026-03-11T14:22:14","modified_gmt":"2026-03-11T14:22:14","slug":"add-custom-file-type","status":"publish","type":"post","link":"https:\/\/adfsolutions.com\/add-custom-file-type\/","title":{"rendered":"How to Add a Custom File Type to an ADF Search Profile"},"content":{"rendered":"\n<p>When conducting an investigation, it is important to be flexible and follow the direction of your investigation with as few obstacles as possible. If your examination brings you a new file type, such as a video generated by a hand held camera, or a proprietary file created by a unique software, you want to be able to search for, or collect these files types right away either on-scene or back in the lab.<\/p>\n<!--more-->\n<p>With ADF software, you can immediately add&nbsp;a custom file type to your library and have it for not only the current case but for any future cases that arise. This allows for file detection by<\/p>\n<ul>\n<li>File extension<\/li>\n<li>File header<\/li>\n<li>File name and file header<em> (for those files that do not have extensions but share a common header)<\/em><\/li>\n<\/ul>\n<video width=\"100%\" controls>\n  <source src=\"https:\/\/4330725.fs1.hubspotusercontent-na1.net\/hubfs\/4330725\/How%20to%20Add%20a%20New%20File%20Type%20in%20ADF%20Digital%20Forensics%20Software.mp4\" type=\"video\/mp4\">\n<\/video>\n<p>The header byte sequence, also known as the file header, file signature, and magic number, is a sequence of bytes, typically at the beginning of the file data, that defines the type of file, application association, and in most cases will match the file extension. An example is the file signature x25x50x44x46 (%PDF) is for an Adobe PDF file and will have the extension .pdf<\/p>\n<p>One of the problems that forensic investigators face is that you cannot always rely on the extension indicating the true content of the file, whether&nbsp;because of&nbsp;user manipulation or because of applications changing the extension for their own purposes.<\/p>\n<p>When creating a new file type, it is always best to enter the header byte sequence for proper identification, as well as the file extension.<\/p>\n<ul>\n<li><strong>Fast identification<\/strong> &#8211; Identifies file types using the file extension only<\/li>\n<li><strong>Thorough identification for files without extensions<\/strong> &#8211; Uses file signature analysis to identify files that have no file extension and fast identification on those that do <em>(also referred to as Speed Optimized)<\/em><\/li>\n<li><strong>Thorough identification for all files<\/strong> &#8211; Uses file signature analysis to identify all files. This will increase the time the scan takes to run<\/li>\n<\/ul>\n<p>Completely entering the information when creating a new file type will ensure that you get the most from your file identification.<\/p>\n<a class=\"optech-default-btn btn-style cta_button\" href=\"https:\/\/cta-redirect.hubspot.com\/cta\/redirect\/4330725\/3387aa8b-d30e-4367-881d-0fa14c0d1027\" target=\"_blank\" data-text=\"Learn: What is a Search Profile\"><span class=\"btn-wraper\">Learn: What is a Search Profile<\/span><\/a>\n","protected":false},"excerpt":{"rendered":"<p>When conducting an investigation, it is important to be flexible and follow the direction of your investigation with as few obstacles as possible. If your examination brings you a new file type, such as a video generated by a hand held camera, or a proprietary file created by a unique software, you want to be&#8230;<\/p>\n","protected":false},"author":3,"featured_media":13453,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[63,283],"tags":[133,74,76,99,35,135,142],"class_list":["post-14996","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-video","tag-custom-search-profiles","tag-digital-evidence-investigator","tag-early-case-assessment","tag-how-to-video","tag-mobile-device-investigator","tag-search-profiles","tag-triage-g2","optech-blog blog-single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Add a Custom File Type to an ADF Search Profile - ADF Solutions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/adfsolutions.com\/add-custom-file-type\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Add a Custom File Type to an ADF Search Profile - ADF Solutions\" \/>\n<meta property=\"og:description\" content=\"When conducting an investigation, it is important to be flexible and follow the direction of your investigation with as few obstacles as possible. If your examination brings you a new file type, such as a video generated by a hand held camera, or a proprietary file created by a unique software, you want to be...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/adfsolutions.com\/add-custom-file-type\/\" \/>\n<meta property=\"og:site_name\" content=\"ADF Solutions\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/adfsolutions\" \/>\n<meta property=\"article:published_time\" content=\"2019-04-10T00:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-11T14:22:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/adfsolutions.com\/wp-content\/uploads\/2026\/01\/Add-Custom-File-Type-to-Search-Profile-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Richard T. 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