Courts and other regulatory agencies typically require firms which eFile to provide a specific version of PDF—most often PDF 1.4, the Acrobat 5 format.
- Acrobat Reader 2017 Update
- Acrobat Reader 2007 Free Download
- Adobe Acrobat Pdf Reader
- Acrobat Reader 2017 Classic
- Acrobat Reader 2017 Free
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Other times, you may need to change the version of a PDF you have to ensure compatibility with a client or colleague using an older version of Adobe Acrobat.
In this article, I’ll cover the following:
- How to check the version of a PDF document
- How to change the PDF version
I’ll also cover some other related topics about changing PDF version. Read on to learn more.
PDF Versions and Backwards Compatibility
Certain PDF documents may only be viewed in newer versions of Acrobat.
For example, if you send a PDF Package to a client using Acrobat 6, they will be prompted to download the latest version of the free Adobe Reader to view it.
The following chart is not comprehensive. It is intended to cover the specific instances a typical legal user may encounter.
Acrobat Product Version | PDF Version | New Features Affecting Backwards Compatibility |
Acrobat 8 | PDF 1.7 | - Reader Enabled Forms - PDF Packages - PDF 1.7 XML Forms |
Acrobat 7 | PDF 1.6 | - Reader Enabled Review - Security Envelopes - XML Forms - Embedded multimedia including 3D content - Bookmark Compression |
Acrobat 6 | PDF 1.5 | - Linked multimedia |
Acrobat 5 | PDF 1.4 | - OCR Text Layer |
Saving to a Previous PDF Version using “Reduce File Size”
This option is available in both Acrobat Standard and Professional.
Acrobat Reader 2017 Update
- Choose Document—> Reduce File Size
- Choose the PDF compatibility required
- Click OK
Acrobat Reader 2007 Free Download
What “Reduce File Size” actually does is a bit of a mystery. Documents containing color images generally show the most reduction in file size.
Typical legal documents such as scanned black and white documents or simple text-only documents generated from word processing will show little difference in file size. In fact, they may grow slightly.
Saving to a Previous PDF Version using the PDF Optimizer
The PDF Optimizer is a feature of Acrobat Professional only. Using the PDF Optimizer you can:
- Change PDF version compatibility
- Selectively compress images to reduce the size of scanned images
- Unembed fonts
- Free midi for synthesia. Flatten Form fields
- Remove bookmarks
- Remove an embedded search index
- Discard metadata Acrobat reader free version 9.
You can select and carry out multiple operations or simply change the version.
Follow these steps to reduce file size using the PDF Optimizer in Acrobat 8:
- Choose Advanced—> PDF Optimizer…— or --File—Save as…
Choose “Adobe PDF Files, Optimized” from the Type menu
Click the Settings button - Set the PDF Compatibility
- Click OK
Changing PDF Versions in Batch
The PDF Optimizer may be used with the Batch Processing feature of Acrobat Professional.
You could, for example, change the PDF version of hundreds of files at a time.
See my article on Batch OCR to learn how.
Additional Discussion
Acrobat cannot make every PDF readable by an earlier version, especially those that contain embedded multimedia objects. If this is the case, use the PDF Optimizer to remove embedded media.
As a general practice, I don’t recommend saving to Acrobat 5 unless required by a regulatory office or court.
Since older, full versions of Acrobat can co-exist on system with the latest Adobe Reader, “Open” compatibility isn’t much of an issue. Reader is free, and that’s a compelling reason to install it.
Adobe Acrobat Pdf Reader
Adobe Acrobat Reader 9
Date Released: June 02, 2008
File Size: 456.00 MB
Operation Systems: Windows, Linux, and Mac OS
Last Updated: January 25, 2020
File Size: 456.00 MB
Operation Systems: Windows, Linux, and Mac OS
Last Updated: January 25, 2020
Adobe has released an update for Adobe Acrobat Reader 9 for Windows, macOS, and Linux on June 2, 2008. This version supports Adobe extensions PDF 1.7.
Adobe Reader 9 can be downloaded for UNIX, although not all options are available. Review these differences in Reader for UNIX:
– Save accessible text for a Braille printer and text reflow are not available. Read Out Loud is available for Linux but not for other versions of UNIX.
– Several Internet preferences are not available, including Display PDF In Browser, Connection Speed, and Internet Settings (or Network Settings).
– Comment notifications are viewable in all versions of UNIX except Solaris 9 and 10, since the system tray is not visible.
– Save accessible text for a Braille printer and text reflow are not available. Read Out Loud is available for Linux but not for other versions of UNIX.
– Several Internet preferences are not available, including Display PDF In Browser, Connection Speed, and Internet Settings (or Network Settings).
– Comment notifications are viewable in all versions of UNIX except Solaris 9 and 10, since the system tray is not visible.
Acrobat Reader 2017 Classic
Features of new version:
– Support for PDF version 1.7
– Support for Adobe extensions for PDF 1.7
– The ability to create Acrobat forms was in Acrobat Standard, which was previously only available with Acrobat Professional 6, 7 and 8
– Support for real-time collaboration on PDF files with synchronized document views and chat
– Improved Web Capture for copying entire web pages or just some parts into PDF
– Integration with Acrobat.com to enable storage and sharing of PDF files
– Support for comparing and highlighting the differences between two versions of a PDF document
– Support for playback of Flash Video or H.264 video in Adobe Acrobat and Adobe Reader
– Support for conversion of a variety of[which?] video formats to Flash Video for playback inside PDF
– Support for creating PDF maps by importing geospatial files that retain metadata and coordinates
– Support for Optical character recognition (OCR) on PDF files using ClearScan
– Support for PDF version 1.7
– Support for Adobe extensions for PDF 1.7
– The ability to create Acrobat forms was in Acrobat Standard, which was previously only available with Acrobat Professional 6, 7 and 8
– Support for real-time collaboration on PDF files with synchronized document views and chat
– Improved Web Capture for copying entire web pages or just some parts into PDF
– Integration with Acrobat.com to enable storage and sharing of PDF files
– Support for comparing and highlighting the differences between two versions of a PDF document
– Support for playback of Flash Video or H.264 video in Adobe Acrobat and Adobe Reader
– Support for conversion of a variety of[which?] video formats to Flash Video for playback inside PDF
– Support for creating PDF maps by importing geospatial files that retain metadata and coordinates
– Support for Optical character recognition (OCR) on PDF files using ClearScan
Acrobat Reader 2017 Free
Adobe Reader 9 is not supported and no longer available for download from Adobe web site. However, you could find and download the Adobe Reader 9 below on the web page.