Clutch Cargo,
ZIP is the universal format for attachments on Computer Hope.
Next time please use the following procedure to send attachments.
Using Windows explorer, select the file you wish to attach.
Right-click and send to compressed (zipped) folder.
This will create a new ZIP folder in the current directory. It contains the file yhou selected. The ZIP folder can be used as an attachment. ZIP does not destroy any information. The original files can be fully restored. It works for any file format.