Depends how careful you were when making it. I wouldn't keep such a thing more than 4 days even in fridge.
1 month max.
If you keep iot in brine in fridge, at least a month
Feta Cheese Selection and StorageThe finest feta cheese should be purchased direct from its brine bath. If it is pre-packaged, it should have some of the brine in the packaging to keep it moist. Feta cheese is best when eaten fresh, so always check the date. If you will not be consuming it immediately, store feta cheese in a brine or milk bath. The milk bath will reduce the saltiness and help keep the cheese moist and mild in flavor. Properly stored in brine or milk and refrigerated, feta cheese will last up to 3 months. Feta cheese is not a candidate for freezing.
Feta cheese is typically good for about 1 to 2 weeks after opening if stored properly in the refrigerator.
Feta cheese typically lasts for about 1 to 2 weeks in the refrigerator before it goes bad.
Once opened, feta cheese typically lasts for about 1 to 2 weeks if stored properly in the refrigerator.
Once opened, feta cheese is typically good for about 5-7 days if stored properly in the refrigerator.
Feta cheese typically lasts for about 1 to 2 weeks in the fridge before it goes bad.
At least 4 months.
About 2 days, max,
About 2,000 years
The shelf life of feta cheese is typically around 4-6 weeks if stored properly in the refrigerator. It is best to consume feta cheese within 1-2 weeks after opening to ensure freshness and prevent spoilage.