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Excel for Mac 2011 Essential Training

Cropping, compressing, and removing image backgrounds


From:

Excel for Mac 2011 Essential Training

with Curt Frye

Video: Cropping, compressing, and removing image backgrounds

Modern digital cameras take beautiful photos that make your worksheets look great, but the files can be quite large. That's not a problem if you are looking at a file on a new laptop or desktop computer, but downloading large files to an iPhone or other smartphone can take some time. In this movie, I will show you some techniques to reduce image size and how to remove an image's background to make it more versatile. The first thing I will show you is how to crop an image. Cropping means that instead of resizing it, you actually take part of the image away. So I will show you what I mean. I will click the image, and then on the Format Picture contextual tab, which appears when you select an image, I will click Crop.
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  1. 1m 58s
    1. Welcome
      1m 16s
    2. Using the exercise files
      42s
  2. 20m 56s
    1. Exploring the Excel 2011 window
      4m 16s
    2. Introducing the Ribbon for Mac
      4m 44s
    3. Customizing the Ribbon
      4m 20s
    4. Setting program preferences
      3m 20s
    5. Getting help in Excel
      4m 16s
  3. 20m 4s
    1. Opening, creating, and saving workbooks
      5m 23s
    2. Setting workbook properties
      4m 14s
    3. Creating and modifying workbook templates
      4m 18s
    4. Managing workbooks across multiple versions of Excel
      6m 9s
  4. 1h 2m
    1. Selecting cells and groups of cells
      4m 58s
    2. Copying and pasting cell data
      2m 39s
    3. Entering data using AutoFill and other techniques
      4m 32s
    4. Inserting symbols and special characters
      5m 3s
    5. Creating an Excel table
      4m 43s
    6. Locating and changing data using Find and Replace
      4m 57s
    7. Restricting input using validation rules
      4m 42s
    8. Using lists to limit data entered into a cell
      2m 32s
    9. Sorting worksheet data
      3m 2s
    10. Creating a custom sort order
      3m 54s
    11. Filtering worksheet data
      4m 6s
    12. Inserting, moving, and deleting cells and cell ranges
      3m 50s
    13. Splitting and freezing rows and columns
      3m 51s
    14. Managing worksheets
      5m 28s
    15. Creating, editing, and deleting headers and footers
      4m 41s
  5. 1h 17m
    1. Introducing Excel formulas and functions
      3m 17s
    2. Adding a formula to a cell
      4m 0s
    3. Introducing arithmetic operators
      4m 13s
    4. Using absolute and relative cell references
      6m 29s
    5. Controlling how Excel copies and pastes formulas
      6m 5s
    6. Referring to Excel table data in formulas
      2m 3s
    7. Creating an AutoSum formula
      3m 22s
    8. Summarizing data on the status bar
      2m 22s
    9. Joining text in cells with concatenation
      3m 59s
    10. Summarizing data using an IF function
      6m 21s
    11. Summarizing data using SUMIF and other conditional functions
      5m 41s
    12. Creating formulas to count cells
      2m 37s
    13. Rounding cell values up and down
      4m 55s
    14. Finding data using VLOOKUP and HLOOKUP
      6m 33s
    15. Auditing formulas by identifying precedents and dependents
      3m 25s
    16. Managing Excel formula error indicators
      4m 42s
    17. Managing scenarios
      4m 59s
    18. Performing Goal Seek analysis
      2m 31s
  6. 45m 48s
    1. Applying fonts, background colors, and borders
      6m 7s
    2. Applying number and date formats to cells
      7m 1s
    3. Managing text alignment
      3m 56s
    4. Copying cell formats
      4m 2s
    5. Managing cell styles
      3m 16s
    6. Managing Office themes
      3m 31s
    7. Creating rule-based conditional formats
      3m 54s
    8. Defining Top 10 conditional formats
      4m 19s
    9. Defining data bar, color scale, and icon set conditional formats
      6m 6s
    10. Editing, ordering, and deleting conditional formats
      3m 36s
  7. 36m 55s
    1. Creating bar and column charts
      5m 26s
    2. Creating pie charts
      2m 32s
    3. Creating line charts
      4m 34s
    4. Creating XY (scatter) charts
      1m 49s
    5. Creating stock charts
      4m 11s
    6. Changing chart types and layouts
      2m 22s
    7. Changing the appearance of a chart
      4m 25s
    8. Managing chart axes and numbering
      2m 51s
    9. Adding trendlines to charts
      4m 14s
    10. Creating sparkline charts
      4m 31s
  8. 18m 39s
    1. Importing data from comma separated value (CSV) or text files
      4m 20s
    2. Connecting to an external data source
      2m 22s
    3. Using hyperlinks
      6m 1s
    4. Including an Excel workbook in another Office document
      3m 5s
    5. Linking to an Excel chart from another Office program
      2m 51s
  9. 26m 21s
    1. Creating and formatting shapes
      3m 10s
    2. Adding and adjusting images
      5m 38s
    3. Cropping, compressing, and removing image backgrounds
      4m 46s
    4. Creating SmartArt graphics
      5m 7s
    5. Creating WordArt
      2m 34s
    6. Aligning and layering objects
      5m 6s
  10. 29m 51s
    1. Introducing PivotTable reports
      3m 47s
    2. Creating a PivotTable report
      4m 37s
    3. Pivoting a PivotTable report
      3m 18s
    4. Managing subtotals and grand totals
      3m 23s
    5. Summarizing more than one data field
      1m 34s
    6. Changing the data field summary operation
      2m 40s
    7. Changing the data field number format
      2m 27s
    8. Filtering a PivotTable report
      2m 46s
    9. Applying a PivotTable style
      2m 20s
    10. Creating and editing styles
      2m 59s
  11. 26m 47s
    1. Checking spelling
      3m 32s
    2. Setting AutoCorrect and automatic Replace options
      3m 59s
    3. Managing workbook comments
      3m 40s
    4. Tracking and reviewing changes
      5m 12s
    5. Printing a worksheet or workbook
      3m 44s
    6. Setting and removing print areas
      2m 31s
    7. Exporting to other formats
      1m 33s
    8. Protecting a workbook
      2m 36s
  12. 23m 52s
    1. Running an existing macro
      4m 56s
    2. Recording a macro
      3m 56s
    3. Recording a macro using relative references
      6m 15s
    4. Renaming, viewing, and deleting macros
      2m 58s
    5. Adding comments to a macro
      2m 43s
    6. Turning off screen updating in a macro
      3m 4s
  13. 1m 1s
    1. Additional resources
      1m 1s

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Excel for Mac 2011 Essential Training
6h 32m Beginner Oct 26, 2010

Viewers: in countries Watching now:

In Excel for Mac 2011 Essential Training, author Curt Frye gives a comprehensive overview of Excel, the full-featured spreadsheet software from Microsoft. The course covers key skills such as manipulating workbook and cell data, using functions, automating actions, printing worksheets, and collaborating with others. Exercise files accompany the course.

Topics include:
  • Customizing the Ribbon
  • Formatting worksheets, cells, and cell data
  • Sorting and filtering data
  • Working with formulas
  • Detecting formula errors
  • Creating charts
  • Importing data
  • Inserting objects and graphics
  • Using PivotTables
  • Recording macros
  • Sharing workbooks
Subjects:
Business Spreadsheets
Software:
Excel Excel for Mac Office for Mac
Author:
Curt Frye

Cropping, compressing, and removing image backgrounds

Modern digital cameras take beautiful photos that make your worksheets look great, but the files can be quite large. That's not a problem if you are looking at a file on a new laptop or desktop computer, but downloading large files to an iPhone or other smartphone can take some time. In this movie, I will show you some techniques to reduce image size and how to remove an image's background to make it more versatile. The first thing I will show you is how to crop an image. Cropping means that instead of resizing it, you actually take part of the image away. So I will show you what I mean. I will click the image, and then on the Format Picture contextual tab, which appears when you select an image, I will click Crop.

When I do, Excel outlines the photo with these black crop handles. So if I want to crop an image, basically what I need to do is take away any part of the image I don't want. So my goal is to crop the image, so the only thing remaining is this top left - it's about a quarter, basically going from here, down to this part of the bottle, and across. And cropping an image is a lot like resizing an image; you use the same skills. So in this case, I can grab the crop handle at the bottom right-hand corner, and when my mouse pointer is in position, it turns into a pointer that reflects the crop handle that I want to use, and I can just start pulling the image from the right side.

Anything in gray will be gone when I click the crop button again. So I will just drag it to here, and this is approximately what I wanted. So when I click the Crop button, Excel removes the part of the image that was in gray, and I am left with just this part. If you want to undo a crop operation, you can press Command+Z. And to remove the crop handles from around your image, you can click the Crop button again. If you are working with a large high- resolution image, you can also change the image so that it has fewer pixels per inch.

In other words, it's of a lower resolution. To do that, you select the image and then click Compress. So you can compress pictures by reducing the number of pixels per inch, and when you click the Picture Quality, list box's down arrow, you can select any one of these items. The setting that I am going to use, if I am going to keep my image online and I don't worry about printing it, is 96 pixels per inch. So, when I click that, I can remove any cropped picture regions.

I don't have any in this case, because I undid my changes. And then also, I can apply this change to all the pictures in the file or selected pictures only. There is only one image in this file. It doesn't really matter. But in this case I will leave it to All pictures, click OK, and Excel reduces the image's resolution. And it was subtle, but you could probably tell that there was a little bit of change in the image. The last skill I am going to show you in this movie is how to remove the background of an image. This image has already had its background removed, but what I'll do now is click to the Glass worksheet and show you an image that still has its background, and that's this blue part here.

If I want to get rid of the blue, I can select the image, and then on the Format Picture contextual tab, click Remove Background. When I do, Excel does two things: first, it tries to identify the foreground and background of the image, and it also gives you information about the Background Removal tool. So I will just click the Close button to get rid of that for now and concentrate over here. Excel has done a pretty good job of identifying the background and foreground of this image, but I am going to need to adjust it a little bit. And as you would do with other image management techniques, you can grab and drag the handles around the image.

So in this case, I want to drag this handle, pull it over to the left, and now anything in purple is considered background, and anything that's the regular image is considered foreground. So all I need to do is just make a few small adjustments, one on each edge really, and I have a little bit of the lip that's still purple. I can drag beyond that, and I'll just pull up here, and it looks like everything is good. Now that I am done, I can go back to the Ribbon and click the Remove Background button, and Excel displays the image as it is, with the background removed.

So now if I put this image in front of anything else in the worksheet, for example if I were to type some data over here and move the image over top of it, you see that where previously the image's background would have obscured the data, now it won't. When image size is a concern, you can use the techniques I have shown you to reduce the image's file size, whether by cropping or compressing it. Also, for many photos, you can remove the background, so you can put the foreground image over other parts of your worksheet without obscuring what would otherwise have been behind the image's background.

Find answers to the most frequently asked questions about Excel for Mac 2011 Essential Training.


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