file extension

Infopackets Reader 'Sue' writes: " Dear Dennis, Sometimes I receive an email attachment from a friend, and I can't open it. For example: I recently tried to open a PowerPoint file and received an error message stating, 'This file does not have a ... program associated with it. Create an association in the Folder Options in Control Panel.' How do I go about doing that? I installed PowerPoint, hoping I would be able to view it that way, but was unsuccessful. Thank you so much for your time. I really appreciate it. " My response: If the attachment was indeed a PowerPoint file and you're absolutely ... (view more)

Infopackets Reader Mike F. writes: " Dear Dennis, I have been reading your articles for quite a while and now I have a situation of my own and am hoping that you can help. The problem is that when I click a link to download a file, there are no ... options for me to choose where I can save the file. Subsequently, I cannot locate the files I download from the web. I have searched all over my computer but have had no luck. I would appreciate any help you can provide in resolving this problem. " My response: I've been asked this question a number of times in the past. According to ... (view more)

Ed B. from Long Island, New York writes: " I enjoy your newsletters very much! They're very informative and easy to read. I've seen a lot of other similar newsletters, and yours definitely rank among the very best of them. My question: I use Windows ... XP Pro and save a lot of graphics on my hard drive (the usual .GIF, .JPG. and some .BMPs). When I view the folders in Windows Explorer (thumbnail or filmstrip mode), some of the files don't show the thumbnail preview image, and Windows tells me No Preview Available. I don't change the file extensions when I save the graphics, so why does ... (view more)