That document is damaged and can’t be opened. But you think it’s got versions saved, if only you could get at them. How?
Do you use digital signatures in PDF documents, or do you trust your PDF reader to check them? You could be spoofed into trusting forgeries.
Getting the Find feature right for PDF documents is important. With text find already available, the best solution is distinct from that.
For less than the cost of a year of Adobe Acrobat Pro DC, this is the first choice for anyone who needs more powerful editing tools.
For around half the cost of a year of Adobe Acrobat Pro DC, you can have a superb PDF reader with good general annotation and editing tools.
Why don’t some PDFs display properly outside Adobe software? Will PDFs ever become more accessible? And what to do when they get damaged?
A single character text can result in a PDF file with 160 lines. Mojave still generates PDF according to the 1999 standard. And why extracted text is all over the place.
I’ve been using PDFs for over 25 years, and have finally abandoned using Adobe’s software. Here’s a little history, and the first version of a new free PDF browser.
Has your Mac got any old apps and other bundles on it? Have their signing certificates been revoked, or are they perhaps unsigned? Here’s a new app to help you find out.
All versions of Safari, including shiny new 12, and macOS, including Mojave, appear vulnerable to exploits in old versions of Adobe Flash Player, because XProtect hasn’t been updated.