The tech giant told staff it would confirm the re-opening timeline one month before employees are required to return to the office, the report added.
Apple did not respond to a Reuters request for comment outside regular business hours.
Several companies across the United States have changed their plans on vaccinations, masking and return to office due to the resurgence of COVID-19 cases and the announcement of new guidance from the U.S. Centers for Disease Control and Prevention.
The memo, sent to staff on Thursday, also said the company does not currently expect to shutter its offices or retail stores but urged employees to get vaccinated, according to the report.
The company is also increasing its testing program to as many as three at-home coronavirus tests per week, the report added.
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