How do you compress a PDF file in Adobe Reader?

Click “File" from the menu bar, highlight “Save As” from the drop-down menu and then select “Reduce Size PDF” to compress the PDF. Select a version of Acrobat from the Acrobat Version Compatibility drop-down list, keeping the end user in mind.
A.

How can I reduce the file size of a PDF on Mac?

Let's get to it:
  1. Open the PDF file that you want to reduce the size for in Preview app (typically the default PDF viewer in OS X)
  2. Pull down the “File” menu and choose “Export”
  3. Select the submenu next to “Quartz Filter” and choose “Reduce File Size”
  4. Save the new reduced version of the PDF as usual by hitting “Save”
  • How do I combine PDF files on Mac?

    Combine two PDFs
    1. Open a PDF in Preview.
    2. Choose View > Thumbnails to show page thumbnails in the sidebar.
    3. To indicate where to insert the other document, select a page thumbnail.
    4. Choose Edit > Insert > Page from File.
    5. Select the PDF that you want to add, then click Open.
    6. To save, choose File > Export.
  • How do I make preview my default?

    To set a PDF viewer as the default on Mac OS X:
    1. Select any PDF file. Control-click to open the menu, and choose File > Get Info.
    2. From the Open with: drop-down menu, select your preferred application, such as Adobe Reader or Preview.
    3. Click Change All button, and in the subsequent dialog box, click Continue.
  • How do you set preview as default?

    Select any PDF file. Press COMMAND-I to open the Get Info window. In the Open With section use the dropdown menu to select Preview as your default application, then click on the Change All button.
B.

How do I reduce PDF file size in Acrobat?

Optimize a PDF (Acrobat Pro)
  1. Open the PDF Optimizer dialog box (File > Save As Other > Optimized PDF).
  2. To use the default settings, choose Standard from the Settings menu, and then skip to step 6.
  3. From the Make Compatible With menu, choose Retain Existing to keep the current PDF version, or choose an Acrobat version.
  • How do I reduce PDF file size in Acrobat?

    Optimize a PDF (Acrobat Pro)
    1. Open the PDF Optimizer dialog box (File > Save As Other > Optimized PDF).
    2. To use the default settings, choose Standard from the Settings menu, and then skip to step 6.
    3. From the Make Compatible With menu, choose Retain Existing to keep the current PDF version, or choose an Acrobat version.
  • How do I make a PDF file smaller on a Mac?

    1. Preset Resize. Open your “Applications” folder on your Mac. You can access the Applications folder through LaunchPad and your Finder.
    2. Custom Resize Settings. Click “File” in the top menu bar, then click “New Window” in ColorSync Utility.
    3. Preview. Open Preview, click "File" and "Open," then locate your PDF. Click "Open."
  • What is PDF E mode?

    This standard defines a format (PDF/E) for the creation of documents used in geospatial, construction and manufacturing workflows and is based on the PDF Reference version 1.6 from Adobe Systems. PDF/E is a subset of PDF, designed to be an open and neutral exchange format for engineering and technical documentation.

Updated: 2nd October 2019

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