It is highly likely you are trying to extract, back up, or mod your save file (the ...v0... part suggests a save data structure) from your Nintendo Switch and need a way to move that file (which can be several hundred MB) to your PC or another device securely.
Standard Google Drive/Dropbox can be read by the provider. Always encrypt locally first if the data is sensitive. It is highly likely you are trying to
For large game files, use a Checksum tool to verify the MD5 or SHA-256 hash. This ensures the file hasn't been tampered with or corrupted during the transfer process. Final Thoughts maintains privacy (encryption)
When transferring large files, you need a method that supports big sizes, maintains privacy (encryption), and costs $0. and costs $0.