When to Use?
If your course is running low on space but the items in the course's Content Collection are needed and in use, you can compress the images in a file. This is specifically for PDF files.
This article includes:
Procedure
- Click here to go to Adobe.com
- In the main box at the top center of the page, click on Select a File
- Locate the file that you want to compress
- Once located, select the file and click on Open or OK
- Select your compression level (Suggest using Medium Compression) and then click Compress

- Your compressed PDF file should now be ready for download
- Open a PDF in Adobe Acrobat DC
- Choose File > Reduce File Size or Compress PDF
- NOTE: Adobe is testing the simplified optimized PDF experience with two different names - Reduce File Size or Compress PDF. Therefore, after updating to the latest release, you see either the Compress PDF option or the Reduce File Size option. From the functionality perspective, both the options are the same.
- Choose the location to save the file and click Save. Adobe Acrobat DC displays a message showing the successful reduction in PDF size.

- Navigate back to your Blackboard course where the file is located
- Click the … and choose to edit the item
- Select the Replace button, and choose the reduced file

- Click Save
- You should now see the newly reduced-size file attached to the content item
- Repeat steps as needed
For more information please see: Helpful File Tips to Save Course Quota and Managing Course Files