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Blog Post:
https://www.infallibletechie.com/2025/07/email-attachments-as-zip-file-using-salesforce-apex.html
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0:06
Hello everyone. In this video, we are
0:08
going to see how to attach multiple
0:12
files as a single zip file and send an
0:16
email using Salesforce Apex. My use case
0:20
is very simple. I have files in
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Salesforce and I wanted to send an email
0:28
with uh those files as one zip file. I
0:33
don't want to attach them as single uh
0:37
sorry as multiple files. I my recommend
0:39
is to have only one single attachment
0:42
which will contain all the files in it.
0:46
So I have to zip it and into one file
0:49
and then I have to send it. Let's see
0:51
how to do that or achieve that using
0:53
Salesforce Apex.
0:57
In Salesforce Apex, we have
1:00
compression.zip writer.
1:03
Using this uh uh standard Salesforce uh
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class, we should be able to zip multiple
1:11
uh uh files into one single uh zip file
1:15
and then using single email message in
1:18
Salesforce, we can send an email.
1:23
There are multiple methods in
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compression.zip writer. I have shared
1:29
the link
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uh Salesforce article link using which
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you should be able to see all the
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methods that are available in
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compression.ziper
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class. Here I have hardcoded the content
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document ids just for reference.
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uh but you can definitely dynamically
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fetch it and then you should be able to
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pass the content document ids.
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Okay. So here what I'm doing is I have
2:02
initiated compression.zip writer. Next I
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have added two content document ids to
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this list.
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I am fetching content version using the
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content document ids and then using the
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add entry method I am passing the file
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name, the version data.
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Next I'm creating a blob.
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So using writer.get archive I will get a
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blob.
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So using single email message
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what I'm doing is I am making use of
2:40
this blob as the body
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in the messaging email file attachment.
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I'm getting the blob and then I'm get
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I'm passing that blob as the body and
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then I'm sending an email.
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Let's test this code.
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So this is my developer edition or
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okay. So here we have to replace this
3:14
with our email id.
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So if I execute,
3:24
I should
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receive an email
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with zip attachment
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and uh the body should be
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test email notification in the email and
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the subject of the email should be zip
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testing.
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So this is the email I got it and I
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received that in a zip file. So this
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contains two files in this one's zip
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file.
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So make use of compression.zip writer
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class
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to zip multiple files and send as one
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single attachment.
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Please check the video description. In
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the video description, I have shared my
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blog post. From the blog post, you
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should be able to get the sample Apex
4:19
code which was referenced in this video.
4:29
I hope it was helpful.
4:36
Thank you for watching.
#Programming
#Internet Software
#Email