You need to unzip the file before you "present" it to Acrobat. Please post any followup you have in the same question thread, this way, we have all the information in one place.Īs I've mentioned before (and as Dimitri also mentioned), Acrobat cannot open ZIP files. You should not split one question into separate threads. The instructor's email downloads opened up directly into Adobe Reader just fine.īut why can't I get the same results when I open the same files from the same website? There is still something else I'm not doing right. An instructor sent me the files in an email, and THOSE files I was able to open and see the comments. I tried to set WORD program to open - ERROR messages.īEFORE I started changing the programs that open the file, I was able to open the file okay, but I could not get the instructor's comments. BUT, if I use WinZip free trial, IT WORKS GREAT! But, I don't want to have to pay for WinZip.Ĭould it be some settings in what programs are set to open what files? What program should I have set for this? I try to set it as Adobe Reader - but does't work. Open from Adobe Reader I just get the message that the file is damaged or unsupported. DETAILS: Microsoft Word cannot open this file because some parts are missing or invalid." (files are not damaged, missing or invalid) But when I opened it with WORD I get the message: "Sorry we can't open 22001185-028005 because we found a problem with its contents. I tried a trial version, and that did work. It seems the only way to open is if I pay for WinZip to open it. I started from scratch, and tried to open the ZiP/COMPRESSED file from the Penn Foster website. I did that, and then went back to try to open up file again. I didn't know about that, and I was able to change my Google Chrome plugin to Adobe PDF (ENABLED) instead of the Chrome PDF. Karl, thank you once again for that great info. While this lets you control each aspect of compression, you can’t always rely on this because you don’t always make pdf, sometimes you just receive large PDFs.STILL I'm doing something wrong - Adobe Reader cannot open compressed 2-page file. Simply go to File > Export > save for web. You can reduce the size while saving by following these steps. Illustrator, Adobe Acrobat, and so many other applications offer PDF creation due to format’s versatility while exporting the file to PDF format you can set the parameters which can reduce your file’s size considerably so you won’t have to go back to a PDF compressor. Acrobat Reader has an inbuilt option to optimize the PDF for the web and automatically adjusts DPI for maximum efficiency. You get the ability to create PDF on computers and most smartphones and we seldom pay attention to the size. Reduce PDF File Size Without Losing Quality Method 1: Compress them in the source of originįirst and the most obvious solution is that you compress the files while you’re creating PDFs in the first place. That said, let’s take a look at different methods to compress Pdfs with different apps and tools. Anything more than 200 DPI is not recommended, as most computer screen can’t view them anyway. Ebooks are usually around 100-150 DPI and are optimal for most text-based PDFs. Now If I have a PDF that just contains general information which I’ll only view on my computer screen, 72 DPI is the minimum quality that would ensure the smallest PDF size. So, PDF quality is measured in DPI (dots per inch) and to ensure the best quality you need to choose the optimal size. Before we jump into the different methods, let’s first understand, how PDF compression works.
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