An HSDT file is a show template created by Show, an application included with the Thinkfree Office NEO suite used to create presentations. It contains a collection of slides, which includes text, shapes, images, themes, and formatting. HSDT files are used to create multiple presentations with the same formatting.

HSDT file open in Hancom Thinkfree Office NEO Show When you create a show document in Show you can choose to save it as various types of files, including a PowerPoint presentation (.PPTX), OpenDocument presentation (.ODP), or Show document (.SHOW). However, if you want to create more SHOW documents from your current SHOW file you can save it as a HSDT template. This file makes it easy to create SHOW documents with similar themes, text, images, and formatting. Show is one of three applications available in the Thinkfree Office NEO suite, which is similar to the Microsoft Office suite. The following applications are included in Thinkfree Office NEO: Word - Word processor similar to Microsoft Word. Cell - Spreadsheet program similar to Microsoft Excel. Show - Presentation program similar to Microsoft PowerPoint.