SD Card formatting

I've recently purchased a 264gb sd card for my Samsung s20. I had transferred a my videos on to this however now I cannot play any video on my phone or laptop. When I try to play the video it states " Failed to play video, an unknown error has occured" I can see the files and they all have data...

Previously I used the sd card as internal storage on my moto g2 (2014). But now it won't work on either my new phone or my laptop. & my old device is dead. The data on the card is not very precious so i don't mind if i lose it. But is there a way to make my sd card usable again?

Hello, I have formatted multiple new SD cards as internal memory on various Android phones, including Moto phones and need advice. I picked up two Moto G Stylus units and cannot format the new SD cards as internal. I read the manual at Motorola's website, and there is no mention of an internal...

So I have filled my phone's internal storage, which is 16GB. I have a 100GB SD card, but I cannot seem to turn it into my internal storage. Every time I go to the SD card settings, it only says "Format" and doesn't have the "Format as Internal" it should have. I am running on Android 9.

I formatted my sd card as internal storage on my moto g5 and moved apps to it but I can't move any media Can I not move both? Is it either I format the sd card as portable and only move media to it or I format as internal and only move apps to it

I formatted a brand new Sony 64GB SD card in my Nikon. My Nikon formatted it, but when I try to take a picture, gives me an er