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Learn how to effectively download and save email attachments to your C drive using Python and Microsoft Graph API.
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How to Download a File from an Email and Save it on Your C Drive

Downloading a file from an email can sometimes seem like a daunting task, especially when dealing with code and APIs. However, with the right approach and a few lines of code, you can easily extract and save attachments directly to your computer. In this post, we will guide you through the process of downloading a file from an email and saving it to your local C drive using Python and the Microsoft Graph API.

Understanding the Problem

You may have received an email with an attachment and need to save that file on your computer.In the context of using the Microsoft Graph API, you might have the attachment information provided as a base64 encoded string. Your goal is to decode this string and save it as a file on your specified directory.

Solution Overview

To save your email attachment, you will use the following steps:

Decode the base64 string.

Specify the complete path where you want to save the file.

Write the decoded bytes to the file.

Step 1: Decode the Base64 String

The first step in saving your attachment is to decode the base64 string. This string is a representation of the file that you received via email. Use the base64 library in Python which makes this process simple and straightforward. Here’s an example of how you do it:

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Step 2: Define the File Path

Next, you need to define where you want to save your file. You will specify the complete path along with the filename. In this example, we'll save the image as sample.png in a location of your choice on your C drive.

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Step 3: Write the Decoded Content to the File

Now that we have decoded our contents and set a save path, the final step is to write the decoded content into a file. Use the open function in Python to create the file in write-binary mode, and then write the decoded image data to the newly created file.

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Complete Code Example

Combining all the steps outlined above, here’s the complete code to download your email attachment and save it to your C drive:

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Conclusion

With this straightforward approach, you can easily download files from emails and save them to your computer using Python and the Microsoft Graph API. Remember, the key elements are decoding the base64 string, specifying the correct path, and writing the content to a file.

By following the examples provided, you can tweak the code to fit your specific needs. Happy coding!