How to compress pictures in excel 2007 series#

One involves your recording a series of actions you take in Excel.

Macros can be developed through two methods. You might develop a macro that recalculates their available leave using your company's leave formula whenever they enter their time in a shared Excel spreadsheet. Say, for example, you use shared Excel spreadsheets to track staff time and attendance. A macro is simply a set of actions that you expect Excel to take. However, those needing to perform complex calculations, especially calculations involving repetition, can use a Microsoft-developed programming language known as Visual Basic for Applications (or VBA) to develop a program known as a macro. And while Excel is a pretty robust spreadsheet application, its built-in functions don't provide all the functions many accountants, finance professionals, and data analysts need. Compression rates of 10:1 or 20:1 yield little degradation in image quality.If you've ever used Microsoft Excel to crunch data for work, you know that Excel files can become enormous. Compression rates of 100:1 can be achieved, although the loss is noticeable at that level. JPEG involves a lossy compression mechanism using discrete cosine transform (DCT). JPEG is a joint standard of the International Telecommunications Union (ITU-T T.81) and the International Organization for Standardization (ISO 10918-1). JPG is a graphical file format for editing still images, it offers a symmetrical compression technique which is processor intensive and time consiming in both compression and decompression. The JPG file is a great format as it often manages to compress files to 1/10 of the size of the original file which is especially good for saving on bandwidth. The JPG format is often used in digital camera memory cards. The resultant 'lossy' file means that quality can never be recovered. JPG's are often used for web sites and email as they are generally smaller file sizes as they are lossy meaning that some image quality is lost when the JPG is compressed and saved.

Microsoft Office binary file format specifications.

How to compress pictures in excel 2007 how to#

How to open an XLS file without Microsoft Excel.Most versions of Microsoft Excel can read CSV, DBF, SYLK, DIF, and other legacy formats. Used as the basis for XLS files it is a persistence format that supports authoring and manipulating content in workbooks and workbook templates. Microsoft Excel up until 2007 version used a proprietary binary file format called Binary Interchange File Format (BIFF) as its primary format.

How to compress pictures in excel 2007 for mac os#

The current versions are 2010 for Microsoft Windows and 2011 for Mac OS X. It has been a very widely applied spreadsheet for these platforms, especially since version 5 in 1993, and it has almost completely replaced Lotus 1-2-3 as the industry standard for spreadsheets. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. Pre-2007 versions of Excel use XLS as the primary format for saving files. Microsoft Excel is a commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X.