D on’t like to wait for Visual Studio Code to boot up when you’re looking for a specific .al file? With this trick, you can preview .al files in Windows 10 without opening. . .. What is File Explorer Preview Pane? First, let's check out the preview pane in File Explorer. Open File Explorer. Click on the View tab and then select Preview pane. Click on a file you wish to view, such as a Word document, Excel sheet, PowerPoint presentation, PDF, or image. The file appears in the preview pane. Increase or decrease the size or width of the file by dragging the separation bar left or right. Modification required to Preview .al file in File Explorer Open Windows Registry Editor (regedit). Find Computer\HKEY_CLASSES_ROOT\.al Add New String Value (Right click), Name : PerceivedType , Value data : text or Download this .reg file and double click to Merge it. (link below) Download If prompted, click/tap on Ru...