6th June 2022 - Adobe Acrobat Pro / Reader 2017.September/October 2021 - macOS 10.14 Mojave / 32-bit application support.13th October 2020 - Microsoft Office 2016.September/October 2020 - macOS 10.13 High Sierra.7th April 2020 - Adobe Acrobat Pro / Reader 2015.2017 Sparkle version 1.13.1 or later requires OS X 10.7 or laterįorthcoming important end of (security) support dates.15th October 2017 - Adobe Reader/Acrobat XI(11) end of support.10th October 2017 - Microsoft Office 2011 end of support.2017 saw the end of secure web browser support on OS X 10.9 or earlier.Spring 2019 saw the end of secure Adobe PDF support on operating systems prior to macOS 10.12.2019 - Apple, Adobe and Microsoft now only support the current and 1 or 2 versions of macOS back.This article hasthe following sections: NOTE: Due to changes in company support policies, security requirements (SSL and early versions of TLS are now broken), Apple's developersoftware output/OS support, and third-party software applications that use the Sparkleupdate mechanism must now use a new secure version which has higher minimum system requirements, it is becomingincreasingly more difficult for developers to support older Mac operating systems:

Thisarticle will help you secure your older operating system and also source up-to-date, more secure applications if they are available (alternative applications are listed in OS support order not in any order of recommendation). Safari, iChat/Messages and email applications e.g Apple's Mail. Applications providedwith the operating system can be at high risk from attack especially those that open common document formats likemovies, JPEGs/pictures, PDF, Office (Word/Excel/PowerPoint), RTF files and those that access the internet i.e. Securing Older Operating SystemsThis is number seven in a series of MacStrategy security articles.

Opera web browser older version