Manual sharing in salesforce lightning

sharing button salesforce
sharing button not visible salesforce lightning
sharing button in lightning spring '21
manual sharing in salesforce lightning spring '21
salesforce flow share record
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Manual sharing gives other users access to certain types of records, in: both Salesforce Classic (not available in all orgs) and Lightning Experience. With manual sharing in Lightning Experience, you now can share records and manage record shares in a new streamlined interface. Previously, you switched to In Salesforce Manual Sharing, records are shared individually with other users by using the share button on the record. Sometimes it is not possible to