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markwolk · 15 Feb 2017, 04:45 AM

I found a way without paid software (rar) and without the inconvenience of Dropbox:

1) Use 7-Zip

2) Right-click on the file / folder to compress; select 7-Zip -> Add to archive

3) Save as .7z with password

4) Right-click on the newly created .7z file and zip it normally as .zip

Since .7z file is password protected, Gmail needs to know the password in order to know the contents, including file extensions. So, it cannot block it based on the contents.

Hope that helps.

15 Feb 2017, 04:45 AM	#4
markwolk Essential Contributor Join Date: Dec 2003 Location: Christchurch, New Zealand Posts: 346	I found a way without paid software (rar) and without the inconvenience of Dropbox: 1) Use 7-Zip 2) Right-click on the file / folder to compress; select 7-Zip -> Add to archive 3) Save as .7z with password 4) Right-click on the newly created .7z file and zip it normally as .zip Since .7z file is password protected, Gmail needs to know the password in order to know the contents, including file extensions. So, it cannot block it based on the contents. Hope that helps.