The first step is to choose the right file format for your purpose. For printing, you want to use a high-resolution format that preserves the quality and layout of your document. PDF is a common and widely accepted format for printing, as it retains fonts, images, and formatting across different platforms. However, PDF files can be large and may not be editable if you need to make changes. Other options include DOCX, which is compatible with most word processors, or PNG, which is a lossless image format that can handle transparency and gradients.
For presenting on a projector, you want to use a format that is compatible with the software and device you are using. For example, if you are using PowerPoint, you should save your file as PPTX, which is the native format for PowerPoint. This way, you can avoid issues with animations, transitions, or embedded media. However, if you are using a different software or device, you may need to convert your file to a more universal format, such as PDF, JPG, or MP4.