Excel Data From Web Mac - llovousupunwes1989’s blog

Excel is an excellent tool for analyzing data. With data in Excel, you can chart, sort, apply filters, implement grouping with outlining, use pivot tables reports, build regression models, and more. But first you need to get data into Excel and this can be costly and time consuming.

Excel Data From Web Advanced
Excel Data From Web Script Error
Excel Data From Web

This article explains several ways of extracting web page data and importing it into Excel.

Getting external data using Excel Web Query

In Office 2011 for Mac, Excel can try to load tables from a Web page directly from the Internet via a Web query process. A Web query is simple: It’s just a Web-page address saved as a text file, using the.iqy, rather than.txt, file extension. You use Word to save a text file that contains just a hyperlink and has a.iqy file extension. As others have noted, there are quite a few options if all you’re looking to do is extract and display table data. Things get really hairy, however, if you want to also preserve formatting and show graphs, etc.

Web Queries are an easy, built-in way to bring data into Microsoft Excel from the Web. You can point a Web query at an HTML document that resides on a Web server and pull part or all of the contents into your spreadsheet. You can use a Web query to retrieve refreshable data that is stored on your intranet or the Internet, such as a single table, multiple tables, or all of the text on a Web page. Then you can analyze the data by using the tools and features in Excel.

Web Queries actively use table elements inside the HTML of the page to specify the content to extract. Unfortunately, the dependence on table elements is Achilles’ heel of Web Queries. Table-based web page design used to be very popular when Web Queries were first introduced in Excel 97. Nowadays table-based layout is considered obsolete and inefficient. It has been almost completely replaced by Cascading Style Sheets (CSS). Web Queries do not recognize structured data presented using CSS. Web Queries also have other limitations:

They have no support for client-side scripting.
You can import data from only one URL per query.
There's no frames support. For parameterized queries, you must be prepared to create or edit an iqy file.
Sites requiring authentication and passwords provide additional challenges. They may require coded workarounds or may be unsolvable.
Web Queries lack basic automation like processing multi-page tables or loading data from details pages linked to a primary table.

Advanced Excel Web Query

Microsoft Research Labs has created an Excel 2007 Web Data Add-In that improves an Excel’s built-in functionality for importing data from web pages. The add-in plugs into Excel 2007 with its entry point located on the Data Tab under the From Web option. The system extracts data by learning from a user’s selection of data they wish to capture into Excel. The Add-In can be downloaded from Microsoft Research Labs.
This add-in is a research beta and is unsupported by Microsoft. There is no much documentation and the program is functional but uncomlete.

Web scraping using XPath and VBA

XPath is a XML query language that can be used to locate a specific part of an XML document. A common approach taken by many web scrapers is to parse an HTML document into an XML document and then use XPath to query the document. A typical XPath expression looks like /html/body/form/div/div/div[7]/div[3]/div[3]/div/h2/span[2]/span. It can be obtained using, for example, Firebug add-on and Firefox browser. Having the expression you can use VBA and the Microsoft Internet Control to navigate to the target webpage and scrape the needed data.

Instead of the Microsoft Internet Control you can download an open source library Selenium VBA, which is a Windows COM library that uses the popular Selenium web testing tool. The library makes it possible to automate web browsing using Excel and VBA code or using a simple VBS file executed by double-clicking on it. User's actions can be recorded using the Firefox plugin named 'Selenium IDE' and translated to VBA or VBS with the provided formatters.

Getting external data from a web page using a web scraping tool

The limitations of Web Queries can be overcome by web data extraction software also known as web scraping software. Data Toolbar is a browser automation tool that provides such functionality. To prepare a web data extraction project a user specifies a starting URL, a crawling rule and content or page HTML elements to collect. The program then goes through all available pages and collects data and images as a human would do manually using mouse clicks and copy-and-paste.

Data Toolbar enhances Web Query engine by providing an automated data extraction tool that supports flexible CSS based content, client-side scripting, password protected web sites and complex navigation rules. The tool converts complex web sites to a plain CSV file or other format compatible with Excel. Instead of quering a web page directly the Excel external range query should be pointed to the output file of the scraper. That simple approach does not require any programming against the web site HTML.

For example, suppose you need to import product price information from Ebay into Excel. Excel is not able to query Ebay web pages directly because these pages do not contain any table elements. Data Toolbar can help you resolve that problem. Use the following steps to get external data from a web page:

Start your browser and use Data Toolbar to specify content to extract and navigation rules.
Run the DataTool crawler and save extracted content as an HTML table.
Switch to Excel and open the Data tab. In the Get External Data group, click From Web.
In the New Web Query dialog box specify the location of the local HTML file generated by the scraper.
Select data by clicking on the yellow icon in the left top corner of the table and click the Import button.
Specify where you want to put data, auto refresh and formatting properties.
If you need to refresh the Excel data later on, rerun DataTool scraper and save its output to the same location. Excel can automatically detect changes and update its external data range. The Data Tool can be scheduled for automatic data collection to keep the local file up-to-date.

You can find more details on working with external data sources in the Get external data from a Web page article on the Microsoft Office web site.

Data Toolbar works with Chrome, Firefox and Internet Explorer. Start with Data Toolbar Free Edition. The free version has the same functionality as the full version but its output is limited to 100 rows. There is no expiration date or any other limitations. Full feature version is only $24.

In this article, I shall show you how to pull or extract data from a website into Excel automatically. This is one of the most used Excel features for those who use Excel for their data analysis job. If you are working for a financial analyst company, you might need to get or import daily stock prices from a website to your Excel workbook for analysis.

So, let’s learn the technique…

Extracting data (data collection and update) automatically from a web page to your Excel worksheet might be important for some jobs. Excel gives you the opportunity to collect data from a web page.

Yes, Excel is awesome like that!!

Let’s dive into the process of helping you out.

But first, a word of caution: the web page must have data in collectible formats like Table or Pre-data format. Otherwise, it would be another battle to convert it to a readable or excel-able format. You see text to columns feature isn’t always your best friend.

So, we shall assume your life is easy like that and you have a website that has data in a compatible excel-able format.

Table of Contents

Extract Data from Google Finance Page to Excel Automatically

We will be using the Excel’s From Web Command in the Data ribbon to collect data from the web. Say, I want to collect data from this page.

It is Google’s finance-related web page.

In the Excel worksheet, open the Data ribbon and click on the From Web command.

New Web Query dialog box appears.

In the address bar, I paste the address of Google’s finance web page: https://www.google.com/finance. Then I click on the Go button, placed right after the address bar.

The same web page comes in the query dialog box. Now spot the yellow arrows near the query box.

Move your mouse pointer over the yellow arrows. You see a zone is highlighted with a blue border and the yellow arrow becomes green.

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I have chosen World Markets data, Currency Data, and Sector Summary.

Now I click on the Import button. Import Data dialog box appears. It asks me the location. Currently, I am planning to save it in cell A1, you can save it anywhere and everywhere.

You might see a cryptic message or two when you hit OK. Relax those aren’t aliens trying to contact you, just your worksheet is populating data.

You see the data is inserted into the worksheet.

Now let me show you where Excel did the flip. I scroll down and find this column blank.

When I checked the website I found that there was a chart there which Excel was not able to pull. So, you have to be careful about what you are taking from a web page.

Now, you have got the data and can begin working and manipulating it.

The most important/interesting thing to note here is: you don’t have to pull the updated data from time to time.

How to Refresh Excel Data for Any Update

You can manually or automatically refresh the data. How? Say Abracadabra! No, am just kidding. (But it’s almost like magic).

Click on the drop-down part of the Refresh All command. Caradco window replacement parts.

You can click on Refresh if you think you have only one data and you can click on Refresh All if you think you have more than one data to be refreshed.

You can even set a time period for refreshing data automatically. Click on this Connection Properties option from the list.

Connection Properties dialog box appears.

You can name the connection. Add a description to it.

Under Refresh Control, you get a command Refresh Every (by default 60 minutes), you can change it.

Or you can choose the option Refresh Data when opening the file. I click OK. So, the data of this worksheet will be updated when I will open the worksheet.

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Excel Data From Web Advanced

So, this is how you can pull data from a web page, manipulate the data in your own way, and then you can set when the data will be updated automatically.

Excel Data From Web Script Error

Cool, right? Now time for a coffee!!