Send large files via Thunderbird: maximum size, online cloud

Send large files via Thunderbird: maximum size, online cloud

Read on to find out how to send large attachments on Thunderbird via different methods.

Does Thunderbird have a size limit?

By default Thunderbird allows you to send attachments with a maximum size of 4GB.

How to increase the maximum file size allowed on Thunderbird?

1. Open Thunderbird and click on Tools > Options.

2. Go to the Attachments tab > Outgoing and check the Offer to share files larger than X MB tab and fill it with the value of your choice in MB.

thunderbird increase file size limit
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How to use an online cloud storage service?

An alternative way to send large attachments is to link your Thunderbird mail client with a cloud storage service.

1. Open Thunderbird and go to Tools > Options.

2. Go to the Attachments tab and select Outgoing.

3. Click on the Add tab to create a Filelink storage service.

filelink thunderbird
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4. Select a cloud storage service and click on the Setup Account button.

5. A setup wizard shall open, simply follow its final instructions. 

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