As already explained it is not recommended, however it is possible to do it with Add-ons.
[ Add-ons for reduce learning workload ]
These add-ons features reduce learning efficiency, but help prevent burnout and quitting on Anki. If you do use them, please refer to the add-ons comments.
[ Postpone add-ons ] Postpone the review and pretend the absence didn’t happen.
[ Weekend add-ons ] Shift reviews and create a weekly holiday.
- FSRS4 Anki Helper (Easy Days)
- Weekends & Holidays(SM2, Anking)
- Move Reviews from Weekends and Holidays(SM2)
[ Anki Options ] You can also address the delay without using Add-ons.
- Review ahead
The least damaging way is to pre-review your cards before you go to vacation.
This feature is available in Anki’s Custom Study.- Deck Overview → Custom Study → Review ahead [ Review ahead by ? days]
- Custom Study : Review ahead
Other, the workload can be reduced in the settings.
- To set New cards/day to 0
- Limit Maximum Reviews to ~100, etc.
- Reduce the desired retention rate
- Restore the Maximum Interval to the default of 100 years
- Filtered decks : Catching Up