Why does Microsoft Outlook not like MATLAB's .MAT files?

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Gurudatha Pai
Gurudatha Pai 2013-6-21
回答： Yusuf 2024-11-3，15:15
Hello All,
This is not a MATLAB question but I would really appreciate any comments.
In my experience, outlook blocks .mat files sent as email attachments. One way we have managed to work around it by changing the file extension.
If you encountered this or a similar problem, or have elegant solution to the problem please comment. Also, we might want to report this issue to both Mathworks and MS Office collectively as a user group.
Thanks for your time.

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回答（4 个）

Vishal Rane
Vishal Rane 2013-6-21
What type of attachments are blocked depends on the internet policies of your company. I have personally not faced any problems sending any type of matlab file as attachments either thru outlook or other email applications.
Andreas Goser
Andreas Goser 2013-6-21
编辑：Andreas Goser 2013-6-21
MAT is also an extension used for Microsoft Access Tables. I am only aware of this solution document for working in MS Windows. I have not heard about issues with sending MAT files.
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Tom
Tom 2013-6-21
I had the same problem with sending .mat files from work to home- I had to download the attachments through GMail rather than Outlook as Outlook blocked them due to their being 'unsafe' - I never found how to set the security settings in Outlook to let me open them.

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Daniel Shub
Daniel Shub 2013-7-22
Microsoft considers the MAT extenstion to be a Microsoft Access Table Shortcut. This file type can contain scripts and code and therefore is considered a Level 1 unsafe file type.
More information can be found at:
http://office.microsoft.com/en-us/outlook-help/blocked-attachments-in-outlook-HA001229952.aspx
http://support.microsoft.com/kb/829982
If your Outlook is part of an Exchange Server, I think you might be screwed. If you are incontrol of your Outlook, you can enable the use of Level 1 files by editing the registry. You need to be careful when editing the registry since you can screw up your comptuer. The key you need to edit is called Level1Remove It will be located/needs to be created in
HKEY_CURRENT_USER\Software\Microsoft\Office\XX.X\Outlook\Security
where XX.X is your "version" of outlook (14.0 is 2010). You want to add append .mat to the Level1Remove key value (use commas to seperate different values). You then need to reboot.
Yusuf
Yusuf 2024-11-3，15:15
Outlook blocks .mat files from being downloaded for some reason - it's even worse if you're on an organisation or educational outlook account. If you have recieved files in the form .mat from somebody and you need to access them, simply forward the email to another email address like Gmail, Yahoo. You can access the files fine on there.

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