Export user fields in CSV file

You can set below property to export user fields in CSV format :

    # Input a list of user attributes that will be included when exporting users
    # to a CSV file. You can include custom fields by adding the prefix
    # "expando:" to the attribute name.
    #
    users.export.csv.fields=fullName,emailAddress,expando:phone

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User portrait image settings

User portrait image related settings in portal-ext.properties file :


    # Set the maximum file size for user portraits. A value
    # of 0 for the maximum file size can be used to indicate unlimited file
    # size. However, the maximum file size allowed is set in the property
    # "com.liferay.portal.upload.UploadServletRequestImpl.max.size".
    #
    users.image.max.size=307200

    #
    # Set the maximum user portrait height and width in pixels. A value of 0
    # indicates no restictions on user portrait dimensions.
    #
    users.image.max.height=120
    users.image.max.width=100

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Create users without email address

If you want to create user with out email address, just set below properties :

# Set this to false if you want to be able to create users without an email
# address. An email address will be automatically assigned to a user based
# on the property "users.email.address.auto.suffix".

users.email.address.required=false

# # Set the suffix of the email address that will be automatically generated
# for a user that does not have an email address. This property is not used
# unless the property "users.email.address.required" is set to false. The
 # autogenerated email address will be the user id plus the specified suffix.

users.email.address.auto.suffix=@no-emailaddress.com

# Input a class name that implements
# com.liferay.portal.security.auth.EmailAddressGenerator. This class will be
# called to generate an email address for a user that does not specify an
# email address. This class will only be used if the property
# "users.email.address.required" is set to false.

users.email.address.generator=com.liferay.portal.security.auth.DefaultEmailAddressGenerator

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User screen name related settings

Here are some of the properties which can be override in portal-ext.properties file as per your requirement :

# Set this to true when you want the validation to allow for creation of
# numeric screen names.
  users.screen.name.allow.numeric=true

# # Set this to true to always autogenerate user screen names even if the user
# gives a specific user screen name. If this is set to true, the LDAP
# importer will fetch users by their email address even if the property
# "company.security.auth.type" is set to screenName.
users.screen.name.always.autogenerate=true

 # # Input a class name that implements
 # com.liferay.portal.security.auth.ScreenNameGenerator. This class will be
# called to generate user screen names.
 users.screen.name.generator=com.liferay.portal.security.auth.DefaultScreenNameGenerator

# # Input a class name that implements
# com.liferay.portal.security.auth.ScreenNameValidator. This class will be
# called to validate user screen names.
users.screen.name.validator=com.liferay.portal.security.auth.DefaultScreenNameValidator #users.screen.name.validator=com.liferay.portal.security.auth.LiberalScreenNameValidator  

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User should not be deleted

If you don't want to allow users to be deleted from liferay, just set below property in portal-ext.properties file:

 # # Set this to false if users cannot be deleted.
 users.delete=false

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Disable auto deploy

    # Set below property to false to true to disable auto deploy of layout templates, portlets, and
    # themes.
    #
    auto.deploy.enabled=false

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